| Fiscal year | FY2016 | FY2017 | FY2018 | FY2019 | FY2020 |
| Net sales (millions of yen) | 835,359 | 798,588 | 871,113 | 916,071 | 884,350 |
| Operating income (millions of yen) | 60,433 | 63,235 | 65,129 | 66,012 | 61,008 |
| Ordinary income (millions of yen) | 60,225 | 59,802 | 64,366 | 64,306 | 60,541 |
| Profit attributable to owners of parent (millions of yen) | 36,404 | 47,597 | 38,525 | 43,452 | 39,151 |
| Net assets (millions of yen) | 357,073 | 400,034 | 432,326 | 450,645 | 473,241 |
| Total assets (millions of yen) | 1,014,075 | 1,015,415 | 1,020,111 | 1,034,428 | 1,032,923 |
| Equity per share (yen) | 2,591.08 | 2,930.15 | 3,193.65 | 3388.41 | 3,567.63 |
| Earnings per share (yen) | 296.31 | 383.91 | 311.40 | 351.72 | 319.89 |
| Diluted earnings per share (yen) | - | - | - | - | - |
| Equity ratio (%) | 31.39 | 35.63 | 38.75 | 40.09 | 42.28 |
| Return on equity (%) | 11.73 | 14.00 | 10.18 | 10.73 | 9.20 |
| Cash flows from operating activities (millions of yen) |
75,627 | 94,433 | 107,683 | 97,283 | 90,902 |
| Cash flows from investing activities (millions of yen) |
-71,099 | -10,394 | -48,460 | -58,025 | -65,534 |
| Cash flows from financing activities (millions of yen) |
-4,027 | -81,855 | -65,818 | -33,753 | -29,436 |
| Cash and cash equivalents at year-end (millions of yen) |
50,072 | 51,974 | 44,976 | 50,084 | 45,748 |