Tokuyama CEOs: All 9 Presidents Since 1918

Revenue and CEOs9 CEOs
Tokuyama
CEOs and long-term results
FY2026
Consolidated
Revenue
¥349.5 billion
Net margin
6.4%
OnoeMiuraNakaharaKogoYokotaInoue
Revenue¥9.8 billionRevenue¥23.0 billionRevenue¥91.0 billionRevenue¥197.2 billionRevenue¥263.3 billionRevenue¥307.1 billionRevenue¥349.5 billionNet margin6.1%Net margin0.8%Net margin1.8%Net margin5.3%Net margin-32.7%Net margin6.4%1951/31956/31961/31966/31971/31976/31981/31986/31991/31996/32001/32006/32011/32016/32021/32026/3
Revenue¥23.0 billionRevenue¥263.3 billionRevenue¥349.5 billionNet margin6.1%Net margin5.3%Net margin6.4%1951/31956/31966/31976/31986/31996/32006/32016/32026/3
API: /api/4043/financials_history.csv · /api/4043/financials/pl.json
Tenure timeline
1910192019301940195019601970198019902000201020202030
Washitaro NagashimaKatsujiro IwaiYujiro IwaiYasuharu OnoeYuichi MiuraShigeaki NakaharaKazuhisa KogoHiroshi YokotaTomohiro Inoue
Presidents9

Presidents

NameFromToYearsBackgroundEducation
Washitaro NagashimaFeb 1918Jul 193416.4Outsider
Katsujiro IwaiSep 1934Dec 19351.3Founding family
Yujiro IwaiDec 1935Jul 194610.6Founding family
Yasuharu OnoeJun 1982Company veteranKyushu Imperial University, Faculty of Science, Chemistry (now Kyushu University, Faculty of Science)
Yuichi MiuraJun 1997Company veteranUniversity of Tokyo, Faculty of Engineering (1962)
Shigeaki NakaharaApr 2002Company veteranHitotsubashi University, Faculty of Commerce (1966)
Kazuhisa KogoJan 2009Jun 20156.4Company veteran
Hiroshi YokotaJun 2015Apr 202610.8Company veteranHokkaido University, Faculty of Economics (1985)
Tomohiro InoueApr 2026Present0.6Company veteran