研究開発費 - 鉄構、減価償却費、建物・構築物（純額）他1件
- 【期間】
| 年度 | 研究開発費 - 鉄構 | 減価償却費 | 建物・構築物（純額） | 固定資産計 |
|---|
| 2009/03 | - | | - | | - | | 484億 | |
| 2010/03 | - | | - | | 53.8億 | | 491億 | +1.6% |
| 2010/12 | - | | - | | 52.8億 | -1.9% | 529億 | +7.6% |
| 2011/03 | - | | - | | 52.1億 | -1.3% | 511億 | -3.4% |
| 2011/06 | - | | - | | 51.8億 | -0.7% | 518億 | +1.4% |
| 2011/09 | - | | - | | 51億 | -1.5% | 514億 | -0.7% |
| 2011/12 | - | | - | | 52.2億 | +2.3% | 511億 | -0.8% |
| 2012/03 | - | | - | | 51.6億 | -1.1% | 509億 | -0.2% |
| 2012/06 | - | | - | | 51.4億 | -0.4% | 506億 | -0.7% |
| 2012/09 | - | | - | | 51.2億 | -0.4% | 501億 | -0.9% |
| 2012/12 | - | | - | | 50.6億 | -1.2% | 500億 | -0.3% |
| 2013/03 | - | | 3百万 | | 49億 | -3% | 504億 | +0.8% |
| 2013/06 | - | | - | | 48.6億 | -1% | 507億 | +0.6% |
| 2013/09 | - | | - | | 48.7億 | +0.4% | 523億 | +3.2% |
| 2013/12 | - | | - | | 48億 | -1.5% | 512億 | -2% |
| 2014/03 | - | | 3百万 | ±0% | 47.6億 | -0.9% | 520億 | +1.5% |
| 2014/06 | - | | - | | 47.1億 | -0.9% | 521億 | +0.2% |
| 2014/09 | - | | - | | 46.5億 | -1.4% | 521億 | -0.1% |
| 2014/12 | - | | - | | 46.2億 | -0.7% | 520億 | -0.2% |
| 2015/03 | - | | 1百万 | -66.7% | 43.7億 | -5.4% | 527億 | +1.4% |
| 2015/06 | - | | - | | 43.6億 | -0.2% | 538億 | +1.9% |
| 2015/09 | - | | - | | 45億 | +3.3% | 540億 | +0.5% |
| 2015/12 | - | | - | | 45億 | -0.1% | 540億 | -0.1% |
| 2016/03 | - | | 0 | -100% | 42.4億 | -5.8% | 520億 | -3.6% |
| 2016/06 | - | | - | | 41.8億 | -1.4% | 530億 | +1.8% |
| 2016/09 | - | | - | | 41.1億 | -1.6% | 534億 | +0.9% |
| 2016/12 | - | | - | | 40.4億 | -1.9% | 549億 | +2.6% |
| 2017/03 | - | | 0 | | 42.1億 | +4.2% | 555億 | +1.2% |
| 2017/06 | - | | - | | 43.6億 | +3.7% | 560億 | +0.8% |
| 2017/09 | - | | - | | 51.5億 | +18.1% | 566億 | +1.1% |
| 2017/12 | - | | - | | 53.5億 | +3.9% | 571億 | +0.9% |
| 2018/03 | - | | 1百万 | | 0.03億 | -99.9% | 574億 | +0.5% |
| 2018/06 | - | | - | | 57.7億 | 大幅増 | 603億 | +5.2% |
| 2018/09 | - | | - | | 57.1億 | -1.1% | 613億 | +1.6% |
| 2018/12 | - | | - | | 56.8億 | -0.5% | 613億 | +0% |
| 2019/03 | 327百万 | | 1百万 | ±0% | 0.03億 | -99.9% | 630億 | +2.8% |
| 2019/06 | - | | - | | 57.5億 | 大幅増 | 644億 | +2.2% |
| 2019/09 | - | | - | | 56.9億 | -1.2% | 634億 | -1.5% |
| 2019/12 | - | | - | | 59.8億 | +5.2% | 636億 | +0.4% |
| 2020/03 | 417百万 | +27.5% | 18百万 | 大幅増 | 0.02億 | -100% | 644億 | +1.2% |
| 2020/06 | - | | - | | 58.2億 | 大幅増 | 662億 | +2.7% |
| 2020/09 | - | | - | | 57.5億 | -1.1% | 678億 | +2.4% |
| 2020/12 | - | | - | | 57.2億 | -0.5% | 674億 | -0.5% |
| 2021/03 | 434百万 | +4.1% | 33百万 | +83.3% | 0 | -100% | 674億 | +0% |
| 2021/06 | - | | - | | 62.1億 | | 677億 | +0.5% |
| 2021/09 | - | | - | | 62.3億 | +0.4% | 677億 | -0.1% |
| 2021/12 | - | | - | | 61.5億 | -1.3% | 666億 | -1.6% |
| 2022/03 | 355百万 | -18.2% | 20百万 | -39.4% | 0 | -100% | 669億 | +0.3% |
| 2022/06 | - | | - | | 59.7億 | | 664億 | -0.7% |
| 2022/09 | - | | - | | 58.8億 | -1.6% | 689億 | +3.8% |
| 2022/12 | - | | - | | 57.8億 | -1.7% | 690億 | +0.2% |
| 2023/03 | 399百万 | +12.4% | 19百万 | -5% | 0.03億 | -99.9% | 692億 | +0.2% |
| 2023/06 | - | | - | | 58.2億 | 大幅増 | 698億 | +0.9% |
| 2023/09 | - | | - | | 60億 | +3.2% | 706億 | +1.1% |
| 2023/12 | - | | - | | 62.4億 | +3.9% | 714億 | +1.2% |
| 2024/03 | 590百万 | +47.9% | 20百万 | +5.3% | 0.04億 | -99.9% | 738億 | +3.4% |
| 2024/06 | - | | - | | 61.1億 | 大幅増 | 737億 | -0.2% |
| 2024/09 | - | | - | | 60.6億 | -0.8% | 751億 | +2% |
| 2024/12 | - | | - | | 59.5億 | -1.8% | 748億 | -0.4% |
| 2025/03 | 574百万 | -2.7% | 36百万 | +80% | 0.03億 | -99.9% | 783億 | +4.6% |
