(Years ended March 31)

  2017/3 2018/3 2019/3 2020/3 2021/3
Capital expenditure
(Billions of yen)
31.6 38.5 50.0 53.1 40.0
Capital expenditure
ratio to net sales (%)
3.7 4.0 5.0 5.8 4.9
R&D expenses
(Billions of yen)
17.5 19.5 21.1 21.7 20.2
R&D expenses ratio
to net sales (%)
2.1 2.0 2.1 2.4 2.5