Consolidated Statement Of Income
| Concept | 2023-04-01 to 2023-09-30 | 2022-04-01 to 2022-09-30 | 
|---|---|---|
| Consolidated statement of income | ||
| Statement of income | ||
| Net sales | 
                                                49,476,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | 
                                                23,961,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,771,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Selling, general and administrative expenses | 
                                                21,563,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,149,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary expenses | — | — | 
| Other operating expenses | — | — | 
| Share of loss of entities accounted for using equity method | 
                                                115,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Gross profit (loss) | 
                                                25,515,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,429,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating profit (loss) | 
                                                3,952,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,279,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net sales | ||
| Ordinary profit (loss) | 
                                                4,053,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,443,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Research and development expenses | 
                                                4,855,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,448,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | 
                                                253,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                229,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Dividend income | 
                                                181,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                171,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Interest income | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | ||
| Non-operating income | ||
| Other | 
                                                70,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                57,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | 
                                                27,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Selling, general and administrative expenses | ||
| Advertising expenses | 
                                                2,288,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,984,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Bonuses | 
                                                1,386,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,433,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | ||
| Interest expenses | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                27,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                59,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | 
                                                152,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                66,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | 
                                                31,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit | ||
| Profit (loss) before income taxes | 
                                                4,049,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,412,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | ||
| Gain on sale of investment securities | 
                                                15,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | ||
| Income taxes | 
                                                1,210,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,489,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | 
                                                2,838,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,923,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to owners of parent | 
                                                2,838,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,923,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | ||
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                2,105,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -511,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans, net of tax | 
                                                -22,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -21,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                2,082,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -533,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income | 
                                                4,921,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,389,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                4,921,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,389,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |