Mitsubishi Materials CEOs: 14 Presidents Since 1950

Revenue and CEOs14 CEOs
Mitsubishi Materials
CEOs and long-term results
FY2026
Consolidated
Revenue
¥1.8 trillion
Net margin
2.2%
AikyoInaiNaganoFujimuraAkimotoNishikawaIdeYaoTakeuchiOnoTanaka
Revenue¥179.0 billionRevenue¥575.9 billionRevenue¥1.1 trillionRevenue¥1.1 trillionRevenue¥1.4 trillionRevenue¥1.8 trillionNet margin-2.6%Net margin0.9%Net margin1%Net margin5.1%Net margin4.3%Net margin2.2%1971/31976/31981/31986/31991/31996/32001/32006/32011/32016/32021/32026/3
Revenue¥575.9 billionRevenue¥1.1 trillionRevenue¥1.8 trillionNet margin0.9%Net margin5.1%Net margin2.2%1971/31976/31986/31996/32006/32016/32026/3
API: /api/5711/financials_history.csv · /api/5711/financials/pl.json
Tenure timeline
195019601970198019902000201020202030
Michiyuki HaniSeiichi KomuraShiro YamagataMitsuo AikyoYoshihiro InaiTakeshi NaganoMasaya FujimuraYumi AkimotoAkira NishikawaAkihiko IdeHiroshi YaoAkira TakeuchiNaoki OnoTetsuya Tanaka
Presidents14

Presidents

NameFromToYearsBackgroundEducation
Michiyuki HaniApr 1950Company veteranTokyo Imperial University, Faculty of Economics (now University of Tokyo) (1917)
Seiichi Komura1956Company veteranTokyo Higher Commercial School (now Hitotsubashi University) (1917)
Shiro YamagataMar 1960Company veteranTokyo Imperial University, Faculty of Engineering, Metallurgy (now University of Tokyo) (1927)
Mitsuo AikyoMay 1967Company veteranTokyo University of Commerce (now Hitotsubashi University) (1932)
Yoshihiro Inai1973Company veteranKyoto Imperial University, Faculty of Engineering, Electrical Engineering (now Kyoto University) (1938)
Takeshi NaganoJun 1982Company veteranTokyo Imperial University, Faculty of Engineering, Mining and Metallurgy (now University of Tokyo) (1945)
Masaya FujimuraDec 1990Company veteranUniversity of Tokyo, Faculty of Law (1948)
Yumi AkimotoJun 1994Company veteranTokyo University of Literature and Science, Chemistry (now University of Tsukuba) (1951)
Akira NishikawaJun 2000Company veteranKyoto University, Faculty of Engineering, Industrial Chemistry (1959)
Akihiko IdeJun 2004Company veteranWaseda University, Faculty of Commerce (1965)
Hiroshi YaoJun 2010Company veteranHitotsubashi University, Faculty of Sociology (1969)
Akira TakeuchiApr 2015Company veteranKyoto University, Faculty of Economics (1977)
Naoki OnoJun 2018Apr 20256.8Company veteranKyoto University, Faculty of Engineering (1979)
Tetsuya TanakaApr 2025Present1.6Company veteranUniversity of Tokyo, Faculty of Engineering (1986)