| 2024/3 | 2025/3 |
| Assets | | |
| Current assets | | |
| Cash and deposits | 4,376,740 | 4,062,634 |
| Notes receivable - trade | 879,667 | 462,965 |
| Accounts receivable - trade | 2,916,638 | 2,413,233 |
| Electronically recorded monetary claims - operating | 1,175,809 | 1,070,637 |
| Contract assets | 95,002 | 57,645 |
| Merchandise and finished goods | 676,661 | 611,671 |
| Work in process | 720,449 | 553,135 |
| Raw materials and supplies | 480,707 | 501,534 |
| Other | 267,034 | 622,813 |
| Allowance for doubtful accounts | -9,383 | -7,923 |
| Total current assets | 11,579,327 | 10,348,348 |
| Non-current assets | | |
| Property, plant and equipment | | |
| Buildings and structures | 4,751,648 | 4,860,593 |
| Accumulated depreciation | -3,261,434 | -3,370,038 |
| Buildings and structures, net | 1,490,213 | 1,490,555 |
| Machinery, equipment and vehicles | 2,144,785 | 2,147,590 |
| Accumulated depreciation | -1,976,449 | -1,999,569 |
| Machinery, equipment and vehicles, net | 168,336 | 148,021 |
| Land | 1,605,137 | 1,605,137 |
| Leased assets | 105,928 | 117,771 |
| Accumulated depreciation | -41,152 | -37,532 |
| Leased assets, net | 64,775 | 80,238 |
| Construction in progress | 52,382 | 818 |
| Other | 467,531 | 475,580 |
| Accumulated depreciation | -419,154 | -426,815 |
| Other, net | 48,377 | 48,765 |
| Total property, plant and equipment | 3,429,223 | 3,373,536 |
| Intangible assets | | |
| Goodwill | 18,700 | - |
| Leased assets | 486 | - |
| Other | 490,218 | 439,215 |
| Total intangible assets | 509,405 | 439,215 |
| Investments and other assets | | |
| Investment securities | 2,287,669 | 1,750,100 |
| Deferred tax assets | 85,668 | 113,289 |
| Other | 181,384 | 182,664 |
| Allowance for doubtful accounts | -909 | -909 |
| Total investments and other assets | 2,553,812 | 2,045,145 |
| Total non-current assets | 6,492,441 | 5,857,897 |
| Total assets | 18,071,768 | 16,206,245 |
| Liabilities | | |
| Current liabilities | | |
| Notes and accounts payable - trade | 4,181,015 | 3,098,231 |
| Short-term borrowings | 1,100,000 | 700,000 |
| Current portion of bonds payable | 101,600 | 45,400 |
| Current portion of long-term borrowings | 199,026 | 204,276 |
| Lease liabilities | 17,465 | 27,410 |
| Accrued expenses | 602,902 | 513,736 |
| Income taxes payable | 178,250 | 54,644 |
| Provision for bonuses | 119,462 | 123,449 |
| Provision for warranties for completed construction | 1,936 | 3,150 |
| Other | 274,996 | 190,792 |
| Total current liabilities | 6,776,655 | 4,961,091 |
| Non-current liabilities | | |
| Bonds payable | 58,400 | 13,000 |
| Long-term borrowings | 735,724 | 781,448 |
| Lease liabilities | 54,875 | 60,050 |
| Deferred tax liabilities | 6,639 | 7,478 |
| Provision for retirement benefits for directors (and other officers) | 21,600 | 21,600 |
| Provision for warranties for completed construction | 84,759 | 75,802 |
| Retirement benefit liability | 458,108 | 431,602 |
| Asset retirement obligations | 44,153 | 52,153 |
| Other | 116,175 | 134,669 |
| Total non-current liabilities | 1,580,436 | 1,577,805 |
| Total liabilities | 8,357,092 | 6,538,897 |
| Net assets | | |
| Shareholders' equity | | |
| Share capital | 1,972,735 | 1,972,735 |
| Capital surplus | 1,670,795 | 1,670,795 |
| Retained earnings | 5,566,112 | 5,526,748 |
| Treasury shares | -91,822 | -72,232 |
| Total shareholders' equity | 9,117,821 | 9,098,048 |
| Accumulated other comprehensive income | | |
| Valuation difference on available-for-sale securities | 635,298 | 579,580 |
| Foreign currency translation adjustment | -165,104 | -158,871 |
| Remeasurements of defined benefit plans | -4,540 | -715 |
| Total accumulated other comprehensive income | 465,654 | 419,993 |
| Non-controlling interests | 131,200 | 149,306 |
| Total net assets | 9,714,676 | 9,667,348 |
| Total liabilities and net assets | 18,071,768 | 16,206,245 |