Balance Sheet
| Concept | As at 2024-09-30 | As at 2024-03-31 | 
|---|---|---|
| Balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | 
                                                19,373,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,804,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cash and deposits | 
                                                5,505,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,315,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accounts receivable - trade | 
                                                2,511,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,754,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                309,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                355,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | ||
| Land | 
                                                2,745,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,745,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Buildings | — | — | 
| Buildings, net | 
                                                745,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                763,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | 
                                                4,907,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,868,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other, net | 
                                                1,046,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                932,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Machinery and equipment | — | — | 
| Machinery and equipment, net | 
                                                370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                426,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Own-used assets | ||
| Intangible assets | ||
| Intangible assets | 
                                                330,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                317,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                1,393,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,443,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                2,207,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,232,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                261,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                262,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                555,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                529,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                7,445,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,418,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other assets | — | — | 
| Current assets | ||
| Finished goods | 
                                                2,753,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,559,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                2,352,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,144,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                5,942,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,678,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other assets | ||
| Assets | 
                                                26,818,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,223,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Non-current liabilities | ||
| Non-current liabilities | 
                                                3,265,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,809,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term borrowings | 
                                                2,399,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,949,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                5,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for retirement benefits | 
                                                404,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                410,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provisions | ||
| Provision for retirement benefits for directors (and other officers) | 
                                                455,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                444,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                3,299,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,516,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Short-term borrowings | 
                                                1,700,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,916,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accounts payable - trade | 
                                                531,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                439,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                212,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                159,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Advances received | 
                                                8,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                676,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                850,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | ||
| Provisions | ||
| Provision for bonuses | 
                                                169,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                144,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                6,564,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,326,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Other liabilities | — | — | 
| Liabilities and net assets | ||
| Shareholders' equity | 
                                                20,045,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,652,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share capital | 
                                                1,789,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,789,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                1,729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                17,596,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,101,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -1,069,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -967,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                208,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                244,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation difference on available-for-sale securities | 
                                                208,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                244,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                20,254,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,897,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                26,818,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,223,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Valuation and translation adjustments | ||
| Shareholders' equity | ||
| Capital surplus | ||
| Retained earnings |