Organization and Executive Officers
Directors Who are Not Audit and Supervisory Committee Members (as of April 1, 2026)
| Representative Director & Chairman | Murayama Seiichi | |
|---|---|---|
| President & Representative Director Chief Executive Officer |
Hayashi Yoichi | |
| Director Deputy Chief Executive Officer |
Sugawara Shizuo | Assistant to the President (Technology) |
| Director Deputy Chief Executive Officer |
Ohuchi Yoshiaki | Assistant to the President (Specially Assigned Matters) |
| Outside Director | Tokoro Chiharu | |
| Outside Director | Ito Motoshige |
Directors Who are Audit and Supervisory Committee Members (as of April 1, 2026)
| Director (Full-Time Audit and Supervisory Committee Member) | Kuroiwa Motohiro | |
|---|---|---|
| Outside Director (Audit and Supervisory Committee Member) | Sakuma Soichiro | |
| Outside Director (Audit and Supervisory Committee Member) | Futamiya Masaya | |
| Outside Director (Audit and Supervisory Committee Member) | Kawaguchi Rika | |
| Outside Director (Audit and Supervisory Committee Member) | Shiota Tomoo |
Executive Officers (not serving concurrently as Directors) (as of April 1, 2026)
| Senior Executive Officer | Yasuda Yutaka | General Manager, Basic Materials Group Senior Executive Staff, Technology Group |
|---|---|---|
| Senior Executive Officer | Nakamura Yuichiro | General Manager, Technology Group |
| Senior Executive Officer | Suwabe Takeshi | General Manager, Advanced Materials Group Senior Executive Staff, Technology Group |
| Senior Executive Officer | Masaki Nobuharu | Deputy General Manager, Advanced Materials Group General Manager, Functional Materials Division, Advanced Materials Group Senior Executive Staff, Technology Group |
| Senior Executive Officer | Mizuguchi Tomoji | Deputy General Manager, Technology Group Senior Executive Engineer, Advanced Materials Group |
| Senior Executive Officer | Ogura Yasushi | In charge of Accounting Dept. In charge of Internal Control Dept. |
| Senior Executive Officer | Togami Ichiro | Deputy General Manager, Basic Materials Group General Manager, Metals & Recycling Division, Resources & Metals Group In charge of Logistics Dept. Senior Executive Staff, Technology Group |
| Senior Executive Officer | Kawaguchi Yoshiyuki | In charge of Planning & Coordination Dept. In charge of Corporate Communication Dept. In charge of Finance Dept. In charge of Administration Dept. In charge of Legal Dept. In charge of Human Resources Dept. In charge of Ibaraki Office |
| Executive Officer | Ito Takashi | Deputy General Manager, Technology Group |
| Executive Officer | Aiba Akihiro | In charge of Environment & Safety Dept. General Manager, Ibaraki Office Senior Executive Staff, Technology Group |
| Executive Officer | Okabe Takeo | General Manager, Thin Film Materials Division, Advanced Materials Group General Manager, Data Infrastructure Material Business Promotion Dept., Advanced Materials Group Senior Executive Engineer, Technology Group |
| Executive Officer | Ishii Masafumi | General Manager, Tantalum and Niobium Division, Advanced Materials Group Senior Executive Staff, Technology Group |
| Executive Officer | Soga Takashi | Deputy General Manager, Functional Materials Division, Advanced Materials Group General Manager, Administration Dept., Advanced Materials Group |
