研究開発費 - 鉄構、投資有価証券、全事業営業利益又は全事業営業損失（△） - 建築
- 【期間】
| 年度 | 研究開発費 - 鉄構 | 投資有価証券 | 全事業営業利益又は全事業営業損失（△） - 建築 |
|---|
| 2009/03 | - | | 9.18億 | | - | |
| 2010/03 | - | | 7.98億 | -13.1% | - | |
| 2010/12 | - | | 7.72億 | -3.3% | - | |
| 2011/03 | - | | 7.94億 | +2.8% | - | |
| 2011/06 | - | | 7.68億 | -3.3% | - | |
| 2011/09 | - | | 7.56億 | -1.6% | - | |
| 2011/12 | - | | 7.53億 | -0.4% | - | |
| 2012/03 | - | | 8.82億 | +17.1% | - | |
| 2012/06 | - | | 7.79億 | -11.7% | - | |
| 2012/09 | - | | 7.77億 | -0.3% | - | |
| 2012/12 | - | | 8.31億 | +6.9% | - | |
| 2013/03 | - | | 9.31億 | +12% | - | |
| 2013/06 | - | | 9.08億 | -2.5% | -0.72億 | |
| 2013/09 | - | | 10.2億 | +12.6% | -0.9億 | 赤拡 |
| 2013/12 | - | | 10.6億 | +3.9% | -1.23億 | 赤拡 |
| 2014/03 | - | | 9.98億 | -6% | - | |
| 2014/06 | - | | 10.8億 | +8.3% | 3.17億 | 黒転 |
| 2014/09 | - | | 12.2億 | +12.8% | 7.43億 | +134.4% |
| 2014/12 | - | | 12.9億 | +5.5% | 12.5億 | +68.5% |
| 2015/03 | - | | 14.2億 | +10.7% | - | |
| 2015/06 | - | | 15億 | +5.1% | 3.31億 | -73.6% |
| 2015/09 | - | | 14.3億 | -4.4% | 7.4億 | +123.6% |
| 2015/12 | - | | 15.3億 | +7.1% | 10.4億 | +40.5% |
| 2016/03 | - | | 12.8億 | -16.2% | - | |
| 2016/06 | - | | 12.4億 | -3.6% | 6.01億 | -42.2% |
| 2016/09 | - | | 13.6億 | +10.1% | 13.3億 | +121.5% |
| 2016/12 | - | | 15.5億 | +13.7% | 19.3億 | +44.7% |
| 2017/03 | - | | 16.5億 | +6.5% | - | |
| 2017/06 | - | | 17.2億 | +4.4% | 1.81億 | -90.6% |
| 2017/09 | - | | 19.8億 | +14.7% | 4.23億 | +133.7% |
| 2017/12 | - | | 20億 | +0.9% | 5.81億 | +37.4% |
| 2018/03 | - | | 20.4億 | +2.5% | - | |
| 2018/06 | - | | 24.1億 | +17.8% | 2.89億 | -50.3% |
| 2018/09 | - | | 21.6億 | -10.4% | 5.44億 | +88.2% |
| 2018/12 | - | | 23.2億 | +7.6% | 9.48億 | +74.3% |
| 2019/03 | 327百万 | | 25.3億 | +9.1% | - | |
| 2019/06 | - | | 23.5億 | -7.1% | -0.55億 | 赤転 |
| 2019/09 | - | | 25.5億 | +8.6% | 5.66億 | 黒転 |
| 2019/12 | - | | 26.5億 | +3.8% | 9.05億 | +59.9% |
| 2020/03 | 417百万 | +27.5% | 20.9億 | -21.2% | - | |
| 2020/06 | - | | 23.1億 | +10.7% | 3.45億 | -61.9% |
| 2020/09 | - | | 27億 | +16.8% | 4.77億 | +38.3% |
| 2020/12 | - | | 25.9億 | -4% | 5.29億 | +10.9% |
| 2021/03 | 434百万 | +4.1% | 27.7億 | +6.8% | - | |
| 2021/06 | - | | 26.1億 | -6% | 1.43億 | -73% |
| 2021/09 | - | | 28.1億 | +7.8% | 4.14億 | +189.5% |
| 2021/12 | - | | 25.2億 | -10.1% | 1.96億 | -52.7% |
| 2022/03 | 355百万 | -18.2% | 23.4億 | -7.1% | - | |
| 2022/06 | - | | 25.3億 | +7.8% | -3.54億 | 赤転 |
| 2022/09 | - | | 25.8億 | +2% | -9.6億 | 赤拡 |
| 2022/12 | - | | 29.5億 | +14.4% | -6億 | 赤縮 |
| 2023/03 | 399百万 | +12.4% | 35億 | +18.6% | - | |
| 2023/06 | - | | 35.6億 | +1.9% | 5.69億 | 黒転 |
| 2023/09 | - | | 34.5億 | -3.2% | 11.4億 | +99.8% |
| 2023/12 | - | | 34.5億 | +0.1% | 14.9億 | +31.1% |
| 2024/03 | 590百万 | +47.9% | 35.4億 | +2.7% | - | |
| 2024/06 | - | | 39.6億 | +11.8% | - | |
| 2024/09 | - | | 36.5億 | -7.8% | 3.93億 | -73.6% |
| 2024/12 | - | | 38.4億 | +5.2% | - | |
| 2025/03 | 574百万 | -2.7% | 40.7億 | +6.1% | - | |
