Statement Of Income
| Concept | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of income | ||||||||||||||||||
| Statement of income | ||||||||||||||||||
| Net sales | 
                                                9,136,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,693,328,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                9,136,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,081,232,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,055,062,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,430,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,548,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,118,804,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,548,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,062,412,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net sales | ||||||||||||||||||
| Operating revenue | ||||||||||||||||||
| Operating expenses | ||||||||||||||||||
| Operating expenses - general | ||||||||||||||||||
| Depreciation | 
                                                355,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                321,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                27,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||||||||||
| Cost of sales | ||||||||||||||||||
| Cost of products manufactured | — | 
                                                6,217,480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                5,672,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cost of sales | 
                                                7,014,353,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,755,739,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                6,531,179,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                6,228,689,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Beginning finished goods inventory | — | 
                                                1,192,263,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,194,371,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Total | — | 
                                                7,944,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                7,418,129,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Ending finished goods inventory | — | 
                                                1,196,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,192,263,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cost of finished goods sold | ||||||||||||||||||
| Selling, general and administrative expenses | 
                                                1,789,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,604,626,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                1,611,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,389,709,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Provision of allowance for doubtful accounts | 
                                                1,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||||||||||
| Other operating expenses | ||||||||||||||||||
| Operating expenses | ||||||||||||||||||
| Research and development expenses | 
                                                458,758,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                461,492,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                373,819,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                368,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Gross profit (loss) | 
                                                2,121,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,937,588,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                2,017,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,833,722,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating profit (loss) | 
                                                332,237,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                332,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                887,544,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                874,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,192,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -555,307,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                873,115,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                406,217,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -469,986,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                876,203,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                444,013,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Ordinary profit (loss) | 
                                                376,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                400,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                478,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                532,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Gross profit | ||||||||||||||||||
| General and administrative expenses | ||||||||||||||||||
| Non-operating income | ||||||||||||||||||
| Interest income | 
                                                10,878,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,359,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                5,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                7,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary income | 
                                                144,954,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                108,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                6,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating income | ||||||||||||||||||
| Non-operating income | 
                                                61,111,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                91,789,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                80,748,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                108,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Financial revenue | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Other | 
                                                8,394,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,863,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                6,562,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Selling, general and administrative expenses | ||||||||||||||||||
| Sales commission | — | 
                                                57,319,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                54,812,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Sample expenses | — | 
                                                3,060,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                5,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | ||||||||||||||||||
| Interest expenses | 
                                                7,638,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,679,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | ||||||||||||||||||
| Extraordinary losses | 
                                                149,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                120,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                81,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                53,147,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Loss on disposal of non-current assets | 
                                                12,646,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,646,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                53,147,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                53,147,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | 
                                                16,837,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                8,802,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                20,458,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Financial expenses | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Non-operating expenses | ||||||||||||||||||
| Other | 
                                                3,381,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                8,540,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary income | ||||||||||||||||||
| Profit (loss) before income taxes | 
                                                371,756,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                388,108,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                403,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                479,015,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes - current | 
                                                52,534,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                51,894,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                118,771,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                115,448,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary losses | ||||||||||||||||||
| Loss on disaster | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                28,408,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Income taxes - deferred | 
                                                799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,591,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                4,199,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                777,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| General and administrative expenses | ||||||||||||||||||
| Income taxes | 
                                                53,334,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                55,485,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                122,970,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                116,225,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) | 
                                                318,421,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                332,622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                332,622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                332,622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                332,622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                362,789,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                280,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                362,789,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                362,789,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                362,789,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |