Consolidated Statement Of Income
| Concept | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 2020-04-01 to 2021-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||||||||||||||||
| Statement of income | ||||||||||||||||||||||
| Net sales | — | — | — | 
                                                -226,670,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,876,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,864,728,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,638,057,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,648,827,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,215,900,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,226,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,295,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                16,905,226,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                31,521,655,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -27,679,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,493,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||||||||||||||
| Other operating expenses | ||||||||||||||||||||||
| Provision of allowance for doubtful accounts | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,823,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -11,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -6,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||||||||||||||
| Selling, general and administrative expenses | — | — | — | — | 
                                                5,079,573,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,032,172,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                4,897,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                7,190,026,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | — | — | — | — | 
                                                233,907,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                234,355,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Cost of sales | — | — | — | — | 
                                                15,036,507,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                28,376,695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                11,304,292,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                20,905,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||||||||||||||
| Operating expenses - general | ||||||||||||||||||||||
| Operating expenses | ||||||||||||||||||||||
| Operating profit (loss) | — | — | — | 
                                                -35,542,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -239,653,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,264,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,229,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                443,422,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,821,309,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                149,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,235,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                703,195,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,385,026,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                12,924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,397,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net sales | ||||||||||||||||||||||
| Gross profit (loss) | — | — | — | — | 
                                                4,839,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,261,362,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                5,600,933,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                10,587,977,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| General and administrative expenses | ||||||||||||||||||||||
| Operating expenses | ||||||||||||||||||||||
| Research and development expenses | — | — | — | — | 
                                                1,151,937,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,455,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                1,195,358,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,421,866,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Ordinary profit (loss) | — | — | — | — | 
                                                1,934,767,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,744,816,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                2,655,828,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                3,576,125,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Selling, general and administrative expenses | ||||||||||||||||||||||
| Cost of sales | ||||||||||||||||||||||
| Non-operating income | — | — | — | — | 
                                                2,203,820,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                601,310,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                2,076,160,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                360,683,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating income | ||||||||||||||||||||||
| Other | — | — | — | — | 
                                                125,466,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                123,212,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Miscellaneous income | — | — | — | — | — | — | 
                                                61,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                53,748,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary income | — | — | — | — | 
                                                64,979,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                66,331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                284,183,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                284,261,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | — | — | — | — | 
                                                29,399,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                85,684,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                123,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                182,507,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest expenses | — | — | — | — | 
                                                6,853,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                52,522,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                8,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                51,085,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | ||||||||||||||||||||||
| Other | — | — | — | — | 
                                                1,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                7,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Extraordinary losses | — | — | — | — | 
                                                30,702,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                37,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                130,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                145,071,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) before income taxes | — | — | — | — | 
                                                1,969,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,773,890,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                2,809,185,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                3,715,315,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Gross profit | ||||||||||||||||||||||
| Extraordinary income | ||||||||||||||||||||||
| Gain on sale of non-current assets | — | — | — | — | 
                                                79,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                96,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                1,540,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Gain on sale of investment securities | — | — | — | — | 
                                                64,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                66,234,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                233,083,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                233,083,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes - current | — | — | — | — | 
                                                286,760,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                779,622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                613,969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                979,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary losses | ||||||||||||||||||||||
| Loss on sale of non-current assets | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,332,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                1,380,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,380,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Loss on sale of investment securities | — | — | — | — | 
                                                8,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                5,461,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                5,461,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Loss on retirement of non-current assets | — | — | — | — | 
                                                21,949,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                27,170,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                73,385,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                87,630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes - deferred | — | — | — | — | 
                                                -3,955,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -46,434,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -84,127,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                11,380,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes | — | — | — | — | 
                                                282,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                733,187,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                529,841,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                990,502,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) | 
                                                1,686,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,686,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,686,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,040,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,686,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,279,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,279,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,279,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,279,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,724,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) attributable to owners of parent | — | 
                                                2,040,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,040,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,040,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                2,724,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,724,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,724,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | ||||||||||||||||||||||
| Other comprehensive income | ||||||||||||||||||||||
| Valuation difference on available-for-sale securities | — | — | — | — | — | — | 
                                                -59,544,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -106,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Foreign currency translation adjustment | — | — | — | — | — | — | 
                                                1,342,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                48,865,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | — | — | — | 
                                                19,542,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                106,786,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other comprehensive income | — | — | — | — | — | — | 
                                                1,302,862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                49,356,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income | — | — | — | — | — | — | 
                                                3,343,565,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,774,170,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income attributable to | ||||||||||||||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | — | — | — | 
                                                3,343,565,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,774,170,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |