| (億円) | 2017/03 | 2018/03 | 2019/03 | 2020/03 | 2021/03 | 2022/03 | 2023/03 | 2024/03 | 2025/03 | 2026/03 |
| 研究開発費 | 139 | 120 | 125 | 110 | 124 | 130 | 133 | 198 | 151 | 126 |
| 売上高研究開発費比率 | 8.7% | 7.1% | 7.2% | 6.3% | 7.2% | 7.0% | 6.7% | 9.8% | 6.8% | 5.2% |
| 設備投資額 | 115 | 164 | 166 | 145 | 83 | 115 | 235 | 177 | 266 | 161 |
| 減価償却費 | 113 | 116 | 119 | 123 | 128 | 135 | 137 | 139 | 139 | 156 |