(Years ended March 31)

  2018/3 2019/3 2020/3 2021/3 2022/3
Net sales
(Billions of yen)
967.3 991.6 914.4 811.6 930.5
Operating income
(Billions of yen)
44.8 40.8 23.6 8.4 11.4
Operating income
margin on sales (%)
4.6 4.1 2.6 1.0 1.2
Ordinary income
(Billions of yen)
46.9 39.1 22.8 5.2 19.7
Ordinary income
margin on sales (%)
4.8 3.9 2.5 0.6 2.1
Net income
attributable to
owners of the
parent company
(Billions of yen)
28.5 29.1 17.6 10.0 10.1
Net profit
margin on sales (%)
3.0 2.9 1.9 1.2 1.1
Net income
per share (yen)
(note 1)
405.05 412.98 250.25 141.88 143.40
ROE (%) 12.9 12.0 7.2 4.0 3.7

(note 1) The company executed a one-for-ten reverse stock split of its common shares effective October 1, 2016.