Executives
Board of Directors
-
Representative Director / President and CEO
Toshikazu Tanaka
- April 1985
- Joined the Company
- April 2015
- Executive Officer, Division Director, Administrative Division and General Manager, General Affairs and Personnel Department
- June 2016
- Director and Division Director, Administrative Division
- June 2021
- Director and President (Current position)
* Representative Director, President and CEO effective June 2025, in accordance with the transition to the new executive structure
-
Director / Managing Executive Officer
Shiro Yajima
- April 1986
- Joined the Company
- April 2019
- Executive Officer and Division Director, Machinery Business Division
- June 2022
- Director in charge of Technology Development & Production Division and Machinery Business Division
- June 2025
- Director, Managing Executive Officer in charge of Technology Development & Production Division and Machinery Business Division (to present)
-
Director / Managing Executive Officer
Takashi Inoue
- April 1991
- Joined the Company
- June 2022
- Executive Officer and General Manager, Hydrogen & Energy Project Center
- April 2025
- Executive Officer and Division Director, Environmental & Hydrogen & Energy Business Division, and General Manager, Green Transformation Business Office
- June 2025
- Director, Managing Executive Officer in charge of Sales Division, Plant Project Business Division, and Environment & Hydrogen & Energy Division, and General Manager, Green Transformation Business Office (to present)
-
Director / Managing Executive Officer
Tomonari Miyamoto
- April 1996
- Joined the Japan Association for Employment of Persons with Disabilities (currently, the Japan Organization for Employment of the Elderly, Persons with Disabilities and Job Seekers)
- January 2008
- Joined the Company
- April 2024
- Executive Officer, Division Director, Planning & Administrative Division and General Manager, General Affairs and Personnel Department
- June 2025
- Director, Managing Executive Officer in charge of Sustainability and Planning & Administrative Division
- October 2025
- Director, Managing Executive Officer in charge of Sustainability and Planning & Administrative Division and Production Strategy Planning Office (to present)
-
External Director
Masaaki Kusunoki
- April 1985
- Joined Mitsubishi Heavy Industries, Ltd.
- April 2019
- Senior Vice President and Vice President, Industry and Infrastructure of Mitsubishi Heavy Industries
- April 2020
- Senior Vice President and Vice President, Plant and Infrastructure systems at Mitsubishi Heavy Industries
- June 2020
- Director of the Company (Current position)
- April 2024
- Fellow Advisor at Mitsubishi Heavy Industries (until March 2026)
-
External Director
Mika Nakayama
- August 1984
- Joined Japan Synthetic Rubber Co., Ltd. (Current JSR Corporation)
- June 2020
- Director, Senior Officer, General Manager of Sustainability Promotion Dept., JSR Corporation
- June 2022
- Outside Director, Audit & Supervisory Committee Member, Astellas Pharma Inc. (until June 2026)
- June 2024
- Director of the Company (Current position)
-
External Director
Mariko Kawaguchi
- April 1986
- Joined Daiwa Securities Co. Ltd.
- April 2020
- Specially Appointed Professor of Graduate School of Social Design Studies, Rikkyo University (Current position)
- June 2024
- Director of the Company (Current position)
-
Director, Audit and Supervisory Committee Member (Full-time)
Junichi Masuda
- April 1987
- Joined The Mitsubishi Bank, Ltd. (currently MUFG Bank, Ltd.)
- June 2016
- Managing Director, General Manager, Investment Group I of Mitsubishi UFJ Capital Co., Ltd.
- June 2018
- Audit and Supervisory Committee Member (Full-time) of JALCARD. Co., Ltd.
- June 2025
- Director, Audit and Supervisory Committee Member (Full-time) (to present)
-
Director, Audit and Supervisory Committee Member (Full-time)
Shinichi Sakemi
- April 1991
- Joined the Company
- April 2011
- Head of Environmental Technology Div.
- April 2022
- Executive Officer and Head of Technology Development and Production Div.
- June 2024
- Director (Audit and Supervisory Committee Member (Full-time)) (Current position)
-
External Director, Audit and Supervisory Committee Member
Hiroya Nitta
- April 1991
- Appointed as Public Prosecutor
- July 2017
- Head of Amagasaki Branch and Head of Itami Branch of Kobe District Public Prosecutors Office
- June 2024
- Joined Osaka Fuyo Law Office (to present)
- August 2024
- Registered as attorney-at-law
- June 2026
- Director of the Company (Audit and Supervisory Committee Member) (Current position)
-
External Director, Audit and Supervisory Committee Member
Emiko Koide
- October 1996
- Joined Tohmatsu & Co. (currently Deloitte Touche Tohmatsu LLC)
- May 2000
- Registered as Certified Public Accountant
- August 2001
- Opened Emiko Koide Certified Public Accountant Office (to present)
- March 2005
- Registered as Certified Tax Accountant
- June 2026
- Director of the Company (Audit and Supervisory Committee Member) (Current position)
Executive officers
| Name | Post |
|---|---|
| Yasuhide Hayashi | Managing Executive Officer (in charge of Innovation Promotion) |
| Takaharu Negi | Division Director, Planning and Administrative Div. |
| Akiyoshi Yamazaki | Division Director, Technology Development and Production Div. |
| Fumiaki Uchiyama | Division Director, Sales Div. |
| Satoki Nakashima | Division Director, Plant Project Business Div. |
| Hideki Miyajima | Division Director, Environmental and Hydrogen and Energy Business Div. |
| Koji Nagane | General Manager, Production Strategy Plannning Office |
| Gaku Komotori | Division Director, Machinery Business Div. Deputy Division Director, Head of Technology Development and Production Div. |
（As of June 26, 2026）
