Consolidated Statement Of Income
| Concept | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 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 | 2021-04-01 to 2022-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||||||||||||||||
| Statement of income | ||||||||||||||||||||||
| Net sales | 
                                                18,953,659,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                38,213,907,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,262,563,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -83,930,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                33,951,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,129,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -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
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||||||||||||||||
| Other operating expenses | ||||||||||||||||||||||
| Provision of allowance for doubtful accounts | — | — | — | — | — | — | — | — | — | — | 
                                                8,819,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                2,823,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Operating expenses | ||||||||||||||||||||||
| Selling, general and administrative expenses | 
                                                4,775,149,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                8,143,491,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                5,079,573,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,032,172,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Depreciation | 
                                                218,436,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                233,907,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Cost of sales | 
                                                14,769,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                27,952,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                15,036,507,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                28,376,695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Operating expenses | ||||||||||||||||||||||
| Operating expenses - general | ||||||||||||||||||||||
| Operating expenses | ||||||||||||||||||||||
| Operating profit (loss) | 
                                                -591,190,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,039,280,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                390,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,964,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,649,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,034,316,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -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
                                                    
                                                
                                             | — | — | 
| Net sales | ||||||||||||||||||||||
| Gross profit (loss) | 
                                                4,183,959,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                10,177,807,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                4,839,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,261,362,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| General and administrative expenses | ||||||||||||||||||||||
| Operating expenses | ||||||||||||||||||||||
| Research and development expenses | 
                                                1,050,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                1,404,499,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,151,937,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,455,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Ordinary profit (loss) | 
                                                1,129,636,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                2,169,523,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,934,767,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,744,816,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Selling, general and administrative expenses | ||||||||||||||||||||||
| Cost of sales | ||||||||||||||||||||||
| Non-operating income | 
                                                1,778,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                218,253,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,203,820,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                601,310,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating income | ||||||||||||||||||||||
| Other | 
                                                135,357,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                125,466,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Miscellaneous income | — | — | — | — | — | — | — | — | — | — | 
                                                55,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                61,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Extraordinary income | 
                                                5,594,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                76,559,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                64,979,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                66,331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating expenses | 
                                                58,046,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                83,046,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                29,399,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                85,684,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Interest expenses | 
                                                6,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                20,346,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                6,853,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                52,522,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating expenses | ||||||||||||||||||||||
| Other | 
                                                57,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Extraordinary losses | 
                                                70,580,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                245,579,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                30,702,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                37,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Profit (loss) before income taxes | 
                                                1,064,649,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                2,000,502,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,969,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,773,890,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Gross profit | ||||||||||||||||||||||
| Extraordinary income | ||||||||||||||||||||||
| Gain on sale of non-current assets | 
                                                5,594,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                6,117,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                79,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                96,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Gain on sale of investment securities | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                64,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                66,234,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes - current | 
                                                139,646,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                631,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                286,760,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                779,622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Extraordinary losses | ||||||||||||||||||||||
| Loss on sale of non-current assets | 
                                                1,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                1,613,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,332,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Loss on sale of investment securities | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                8,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Loss on retirement of non-current assets | 
                                                12,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                117,144,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                21,949,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                27,170,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes - deferred | 
                                                -40,238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -67,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -3,955,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -46,434,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes | 
                                                99,408,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                563,702,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                282,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                733,187,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Profit (loss) | 
                                                965,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                965,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                965,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                965,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,436,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                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
                                                    
                                                
                                             | 
| Profit (loss) attributable to owners of parent | — | 
                                                1,436,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                1,436,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,436,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,040,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,040,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,040,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit attributable to | ||||||||||||||||||||||
| Other comprehensive income | ||||||||||||||||||||||
| Valuation difference on available-for-sale securities | — | — | — | — | — | — | — | — | — | — | 
                                                5,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -59,544,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Foreign currency translation adjustment | — | — | — | — | — | — | — | — | — | — | 
                                                774,802,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                1,342,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | — | — | — | — | — | — | — | 
                                                2,736,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                19,542,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — | 
                                                783,035,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                1,302,862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income | — | — | — | — | — | — | — | — | — | — | 
                                                2,219,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                3,343,565,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income attributable to | ||||||||||||||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | — | — | — | — | — | — | — | 
                                                2,219,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                3,343,565,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — |