| Assets | — | — |
| Current assets | — | — |
| Cash and deposits | 38,152a | 29,773a |
| Notes and accounts receivable-trade, and contract assets | 22,905a | 21,611a |
| Work in process | 126,087a | 131,056a |
| Raw materials and supplies | 36,314a | 21,017a |
| Accounts receivable-other | 248a | 19,640a |
| Other | 8,324a | 8,029a |
| Allowance for doubtful accounts | -53a | -38a |
| Total current assets | 231,978a | 231,090a |
| Noncurrent assets | — | — |
| Property, plant and equipment | — | — |
| Buildings and structures | 14,456a | 13,792a |
| Accumulated depreciation | -3,594a | -2,968a |
| Buildings and structures, net | 10,862a | 10,824a |
| Machinery, equipment and vehicles | 6,082a | 6,520a |
| Accumulated depreciation | -3,849a | -3,051a |
| Machinery, equipment and vehicles, net | 2,233a | 3,468a |
| Tools, furniture and fixtures | 3,585a | 2,998a |
| Accumulated depreciation | -2,507a | -2,164a |
| Tools, furniture and fixtures, net | 1,078a | 834a |
| Leased assets | 101a | 56a |
| Accumulated depreciation | -30a | -18a |
| Leased assets, net | 71a | 37a |
| Land | 13,146a | 13,146a |
| Construction in progress | 776a | 113a |
| Total property, plant and equipment | 28,168a | 28,424a |
| Intangible assets | 4,245a | 6,164a |
| Investments and other assets | — | — |
| Investment securities | 1,320a | 1,625a |
| Retirement benefit assets | 72a | 56a |
| Deferred tax assets | 5,209a | 3,892a |
| Other | 292a | 320a |
| Total investments and other assets | 6,895a | 5,895a |
| Total noncurrent assets | 39,309a | 40,484a |
| Total assets | 271,288a | 271,574a |
| Liabilities | — | — |
| Current liabilities | — | — |
| Accounts payable-trade | 11,514a | 17,034a |
| Short-term borrowings | | 5,000a |
| Income taxes payable | 15,903a | 15,867a |
| Advances received | 74,426a | 95,155a |
| Deferred revenue | 9,011a | 6,168a |
| Provision for bonuses | 177a | 237a |
| Provision for directors' bonuses | 1,060a | 906a |
| Liabilities related to paid supply transactions | 1a | 15,458a |
| Other | 6,189a | 5,609a |
| Total current liabilities | 118,284a | 161,438a |
| Noncurrent liabilities | — | — |
| Retirement benefit liability | 492a | 455a |
| Provision for share awards | 874a | 267a |
| Asset retirement obligations | 248a | 224a |
| Other | 72a | 46a |
| Total noncurrent liabilities | 1,688a | 993a |
| Total liabilities | 119,972a | 162,432a |
| Net assets | — | — |
| Shareholders' equity | — | — |
| Capital stock | 931a | 931a |
| Capital surplus | 1,290a | 1,207a |
| Retained earnings | 146,500a | 105,551a |
| Treasury shares | -976a | -977a |
| Total shareholders' equity | 147,744a | 106,712a |
| Accumulated other comprehensive income | — | — |
| Valuation difference on available-for-sale securities | 828a | 1,041a |
| Foreign currency translation adjustment | 2,748a | 1,369a |
| Remeasurements of defined benefit plans | -27a | -1a |
| Total accumulated other comprehensive income | 3,549a | 2,409a |
| Subscription rights to shares | 21a | 21a |
| Total net assets | 151,315a | 109,142a |
| Total liabilities and net assets | 271,288a | 271,574a |