(Years ended March 31)

  2017/3 2018/3 2019/3 2020/3 2021/3
Net sales
(Billions of yen)
843.3 967.3 991.6 914.4 811.6
Operating income
(Billions of yen)
38.6 44.8 40.8 23.6 8.4
Operating income
margin on sales (%)
4.6 4.6 4.1 2.6 1.0
Ordinary income
(Billions of yen)
36.0 46.9 39.1 22.8 5.2
Ordinary income
margin on sales (%)
4.3 4.8 3.9 2.5 0.6
Net income
attributable to
owners of the
parent company
(Billions of yen)
17.6 28.5 29.1 17.6 10.0
Net profit
margin on sales (%)
2.1 3.0 2.9 1.9 1.2
Net income
per share (yen) *
249.17 405.05 412.98 250.25 141.88
ROE (%) 9.3 12.9 12.0 7.2 4.0