| Net sales | 776,873a | 824,772a |
| Cost of sales | -413,796a | -403,613a |
| Gross profit | 363,077a | 421,159a |
| Selling, general and administrative expenses | -166,851a | -162,958a |
| Operating profit | 196,226a | 258,200a |
| Non-operating income | — | — |
| Interest income | 18,461a | 11,722a |
| Gain on sale of securities | 6,114a | 2,368a |
| Foreign exchange gains | 24,486a | 28,203a |
| Other | 5,900a | 5,722a |
| Total non-operating income | 54,963a | 48,016a |
| Non-operating expenses | — | — |
| Interest expenses | -82a | -105a |
| Commission for purchase of treasury shares | -19a | -20a |
| Other | -79a | -110a |
| Total non-operating expenses | -180a | -236a |
| Ordinary profit | 251,008a | 305,980a |
| Extraordinary income | — | — |
| Gain on sale of non-current assets | 732a | 447a |
| Gain on sale of investment securities | 1,236a | 3,208a |
| Other | 0a | 7a |
| Total extraordinary income | 1,968a | 3,663a |
| Extraordinary losses | — | — |
| Loss on retirement of non-current assets | -315a | -352a |
| Impairment losses | 0a | -35a |
| Extra retirement payments | 0a | -370a |
| Other | -8a | -109a |
| Total extraordinary losses | -324a | -867a |
| Profit before income taxes | 252,653a | 308,777a |
| Income taxes-current | -75,995a | -90,677a |
| Income taxes-deferred | -1,695a | -6,806a |
| Total income taxes | -74,300a | -83,871a |
| Profit | 178,353a | 224,905a |
| Profit attributable to non-controlling interests | 32a | 296a |
| Profit attributable to owners of parent | 178,321a | 224,609a |