Balance Sheet
| Concept | As at 2024-01-31 | As at 2023-04-30 | 
|---|---|---|
| Balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                4,975,543,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,377,801,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Securities | 
                                                3,299,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,700,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                269,304,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                318,404,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                187,675,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                205,874,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                150,788,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                130,081,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                10,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,678,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                11,886,154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,374,561,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | ||
| Property, plant and equipment | 
                                                2,661,429,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,424,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other, net | 
                                                525,523,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                550,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Own-used assets | ||
| Intangible assets | 
                                                6,831,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,314,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Investments and other assets | 
                                                2,784,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,331,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investment securities | 
                                                2,324,481,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,877,946,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shares of subsidiaries and associates | 
                                                261,094,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                257,240,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                199,081,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                196,368,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Non-current assets | 
                                                5,452,918,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,764,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other assets | — | — | 
| Other assets | ||
| Assets | 
                                                17,339,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,139,298,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | 
                                                1,188,168,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,967,750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accounts payable - trade | 
                                                559,374,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                802,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                97,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                142,722,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                384,666,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                688,961,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Non-current liabilities | 
                                                893,754,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                714,782,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term borrowings | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                274,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                126,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for retirement benefits for directors (and other officers) | 
                                                305,351,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                300,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | ||
| Current portion of long-term borrowings | 
                                                28,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                102,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for bonuses | 
                                                118,552,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                231,185,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provisions | ||
| Liabilities | 
                                                2,081,922,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,682,533,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Other liabilities | — | — | 
| Liabilities and net assets | ||
| Shareholders' equity | 
                                                14,231,416,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,030,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share capital | 
                                                592,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                592,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                464,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                464,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                13,185,084,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,984,304,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -9,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -9,665,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                1,025,733,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,425,884,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation difference on available-for-sale securities | 
                                                1,025,733,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                741,945,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                15,257,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,456,765,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                17,339,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,139,298,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Valuation and translation adjustments | ||
| Shareholders' equity | ||
| Capital surplus | ||
| Retained earnings |