(Years ended March 31)

  2014 2015 2016 2017 2018
Total assets
(Billions of yen)
714.8 734.1 705.7 750.1 815.8
Equity capital
(Billions of yen)
177.2 190.7 173.2 206.7 236.5
Equity capital
ratio (%)
24.8 26.0 24.5 27.6 29.0
Interest-bearing
debt balance
(Billions of yen)
277.9 274.5 257.8 252.5 258.5
D/E ratio
(Times)
1.6 1.4 1.5 1.2 1.1
NET D/E ratio
(Times)
1.4 1.3 1.2 1.0 0.9
Return on
operating
assets(%)
8.6 5.8 9.1 12.1 13.1
Total asset
turnover
ratio (Times)
1.2 1.2 1.2 1.2 1.2
Inventory
turnover
ratio (Times)
9.4 9.0 9.1 8.5 8.9
Receivables
turnover
ratio (Times)
4.4 4.5 4.6 4.4 4.6