Consolidated Statement Of Income
| Concept | 2023-07-01 to 2024-06-30 | 2023-07-01 to 2024-06-30 | 2023-07-01 to 2024-06-30 | 2023-07-01 to 2024-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | 2022-07-01 to 2023-06-30 | 
|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||
| Statement of income | ||||||||
| Net sales | — | — | 
                                                1,652,097,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,353,869,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||
| Operating expenses - general | ||||||||
| Remuneration for directors (and other officers) | — | — | 
                                                114,978,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                106,128,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cost of sales | — | — | 
                                                401,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                397,287,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||
| Selling, general and administrative expenses | — | — | 
                                                884,695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                747,942,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||
| Operating profit (loss) | — | — | 
                                                365,654,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                208,639,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Ordinary profit (loss) | — | — | 
                                                344,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                204,135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||
| Research and development expenses | — | — | 
                                                126,543,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                100,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Gross profit (loss) | — | — | 
                                                1,250,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                956,581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net sales | ||||||||
| General and administrative expenses | ||||||||
| Salaries | — | — | — | — | — | — | — | — | 
| Selling, general and administrative expenses | ||||||||
| Non-operating income | ||||||||
| Interest income | — | — | 
                                                512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                499,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other | — | — | 
                                                115,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | — | — | 
                                                4,246,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,691,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cost of sales | ||||||||
| Extraordinary losses | — | — | 
                                                455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,035,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | — | — | 
                                                25,879,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,195,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest expenses | — | — | 
                                                1,153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                77,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | ||||||||
| Other | — | — | 
                                                35,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) before income taxes | — | — | 
                                                343,565,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                202,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Gross profit | ||||||||
| Income taxes - current | — | — | 
                                                2,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary losses | ||||||||
| Loss on retirement of non-current assets | — | — | 
                                                455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,035,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes - deferred | — | — | 
                                                -62,476,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -28,722,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes | — | — | 
                                                -60,186,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -26,432,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) | 
                                                403,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                403,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                403,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                403,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                228,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                228,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                228,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                228,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |