Board of Directors and Auditors
As of April 13, 2026
〇 Member of the Board and Corporate Auditor
- Representative Director,
President and CEO - Takeshi Hiraiwa
- Representative Director
and Vice President - Jin Tanaka
- Director
- Toru Nakaguchi
- Director (Part-time)
- Hideyuki Kamo
- Director (Part-time)
- Hideyuki Kaneko
- Director (Part-time)
- Yasuo Horibe
- Director (Part-time)
- Yo Homma
- Auditor
- Tadashi Hiramine
- Auditor (Part-time)
- Mitsunari Odera
- Auditor (Part-time)
- Nobuki Onuma
〇 Executive Officer
- President
- Takeshi HiraiwaCEO, In charge of Audit office
- Executive Vice President
- Jin TanakaCOO, In charge of Business Div.,
General Manager, Corporate Planning Dept.,
Business Division Management.,
In charge of Purchasing and Logistics Dept.
and Business Reform Project Office - Senior Managing Executive Officer
- Atsuo KobataCTO, In charge of Research Department
and Production/Technology Dept.,
In charge of the CTO Office and the Quality Assurance
and Chemicals Management Dept.,
General Manager, Research Center - Managing Executive Officer
- Toru NakaguchiGeneral Manager, Wakayama Works
- Executive Officer
- Ryuji KuboGeneral Manager, Chemical Business Div.
- Executive Officer
- Takeshi FujitaGeneral Manager, High Performance Materials Div.
- Executive Officer
- Tadanobu KurazonoGeneral Manager, Personal, Legal & Administration Dept.,
In charge of Accounting Dept.