Executives

Directors

Representative Director, President and Chief Executive Officer Noriaki Taneichi

Representative Director,
President and Chief Executive Officer
Noriaki Taneichi

Nomination and Compensation Advisory Committee Member
Career summary

Representative Director,
President and Chief Executive Officer
Noriaki Taneichi

Career summary
1986 Joined the Company
2009 General Manager, Marketing Development Department
2011 General Manager, New Business Development Department
2015 Executive Officer; Deputy Division Manager, New Business Development Division
2017 Director; Executive Officer; Division Manager, New Business Development Division
2019 Representative Director, President and Chief Executive Officer(to the present)
Director Harutoshi Sato

Director
Harutoshi Sato

Career summary

Director
Harutoshi Sato

Career summary
1984 Joined the Company
2004 General Manager, Quality Assurance Department
2007 General Manager, Advanced Material Development Department 2
2008 General Manager, Advanced Material Development Department 1
2009 Executive Officer; Deputy Division Manager, Research and Development Division and General Manager, Advanced Material Development Department 3
2011 Executive Officer; Deputy Division Manager, Research and Development Division and General Manager, Advanced Material Development Department 1
2012 Director; Executive Officer; Division Manager, Research and Development Division
2017 Director; Managing Executive Officer; Division Manager, Research and Development Division
2019 Director; Senior Managing Executive Officer; Division Manager, Research and Development Division
2022 Director (to the present)
Director, Senior Managing Executive Officer, Division Manager, Marketing Division Kosuke Doi

Director, Senior Managing Executive Officer,
Division Manager, Marketing Division

Kosuke Doi

Career summary

Director, Senior Managing Executive Officer,
Division Manager, Marketing Division

Kosuke Doi

Career summary
1986 Joined the Company
2009 General Manager, Advanced Material Development Department 1
2011 President and Director of TOKYO OHKA KOGYO AMERICA, INC.
2016 Executive Officer of the Company (President and Director of TOKYO OHKA KOGYO AMERICA, INC.)
2019 Executive Officer; Division Manager, New Business Development Division
2020 Managing Executive Officer; Division Manager, Marketing Division
2022 Director; Managing Executive Officer; Division Manager, Marketing Division and Division Manager, Research and Development Division
2023 Director; Senior Managing Executive Officer; Division Manager, Marketing Division and Division Manager, Research and Development Division 
2025 Director; Senior Managing Executive Officer; Division Manager, Marketing Division  (to the present)
Director, Managing Executive Officer, Division Manager, Manufacturing Division Hirotaka Yamamoto

Director,
Managing Executive Officer,
Division Manager, Manufacturing Division
Hirotaka Yamamoto

Career summary

Director,
Managing Executive Officer,
Division Manager, Manufacturing Division
Hirotaka Yamamoto

Career summary
1992 Joined the Company
2013 Plant General Manager of TOK ADVANCED MATERIALS CO., LTD.
2019 Deputy Division Manager, Corporate Planning Division of the Company
2020 Executive Officer; Division Manager, Corporate Planning Division
2023

Director; Executive Officer; Division Manager, Manufacturing Division
2025

Director; Managing Executive Officer; Division Manager, Manufacturing Division (to the present)
Director, Executive Officer, Division Manager, Research and Development Division Katsumi Ohmori

Director, Executive Officer,
Division Manager, Research and Development Division
Katsumi Ohmori

Career summary

Director, Executive Officer,
Division Manager, Research and Development Division
Katsumi Ohmori

Career summary
1991 Joined the Company
2012 General Manager, Next-Generation Material Development Department
2016 Deputy Division Manager, Research and Development Division
2020 Vice President and General Manager of Research Laboratory of TOK ADVANCED MATERIALS CO., LTD.
2021 Executive Officer; Deputy Division Manager, Research and Development Division of the Company
2025

Executive Officer; Division Manager, Research and Development Division
2025 Director; Executive Officer; Division Manager, Research and Development Division (to the present)
Outside Director (Outside Director of AeroEdge Co., Ltd.) Hisashi Ando

Outside Director
(Outside Director of AeroEdge Co., Ltd.)
Hisashi Ando

Nomination and Compensation Advisory Comittee Chairman
Career summary

Outside Director
(Outside Director of AeroEdge Co., Ltd.)
Hisashi Ando

Career summary
1979 Joined Sony Chemicals Corporation (currently Dexerials Corporation)
2006 Corporate Executive; Kanuma Plant Manager of Sony Chemical & Information Device Corporation (currently Dexerials Corporation)
2007 Executive Officer; Kanuma Plant Manager of Sony Chemical & Information Device Corporation
2010 Director; Kanuma Plant Manager of Sony Chemical & Information Device Corporation
2012 Director and Executive Officer; Senior General Manager, Research & Development Division; Kanuma Plant Manager of Dexerials Corporation
2014 Director and Senior Executive Officer; Senior General Manager, Research & Development Division; Procurement, New Business Planning & Promotion of Dexerials Corporation
2016 Director and Managing Executive Officer; Officer in charge of Manufacturing & Technology; Corporate R&D Division Head of Dexerials Corporation
2016 Representative Director and Senior Managing Executive Officer; Corporate R&D Division Head of Dexerials Corporation
2019 Representative Director and Senior Managing Executive Officer of Dexerials Corporation
2019 Director and Managing Executive Officer; Lieutenant President of Dexerials Corporation
2020 Director and Managing Executive Officer; Lieutenant President of Dexerials Corporation; President of Dexerials America Corporation
2020 Technical Advisor of Dexerials Corporation
2022 Outside Director of the Company
2022 Outside Director of AeroEdge Co., Ltd.(to the present)
2023

Outside Director (Audit and Supervisory Committee Member) of the Company 
2025

Outside Director of the Company (to the present)

Directors Who Are Audit and Supervisory Committee Members

Director Standing Audit and Supervisory Comittee Member Yusuke Narumi

Director
Standing Audit and Supervisory Comittee Member
Yusuke Narumi

Career summary

Director
Standing Audit and Supervisory Comittee Member
Yusuke Narumi

Career summary

1988

Joined the Company

2012

General Manager, Marketing Department

2019

General Manager, Display and PV Panel Material Marketing Department

2019

General Manager, Imaging Material Marketing Department

2020

Executive Officer; Division Manager, New Business Development Division

2021

Director; Executive Officer; Division Manager, New Business Development Division 

2025

Director (Standing Audit and Supervisory Comittee Member) (to the present)

 

Outside Director Audit and Supervisory Committee Member Kazuo Ichiyanagi

Outside Director
Audit and Supervisory Committee Member
Kazuo Ichiyanagi

Nomination and Compensation Advisory Committee Member
Career summary

Outside Director
Audit and Supervisory Committee Member
Kazuo Ichiyanagi

Career summary
1977 Joined Teikoku Tsushin Kogyo Co., Ltd
2005 Executive Officer in charge of Development Dept.; General Manager, Development Dept. of Teikoku Tsushin Kogyo Co., Ltd.
2008 Executive Officer responsible for Development & Engineering and in charge of Engineering Management Department of Teikoku Tsushin Kogyo Co., Ltd.
2008 Executive Officer responsible for Development & Engineering of Teikoku Tsushin Kogyo Co., Ltd.
2009 Director; Executive Officer responsible for Development & Engineering of Teikoku Tsushin Kogyo Co., Ltd.
2009 Director; Executive Officer responsible for Development Headquarters of Teikoku Tsushin Kogyo Co., Ltd.
2010 President of Teikoku Tsushin Kogyo Co., Ltd.
2019 Director and Advisor of Teikoku Tsushin Kogyo Co., Ltd.
2020 Outside Director of the Company
2023 Outside Director (Audit and Supervisory Committee Member) (to the present)
Outside Director (Partner at Harago & Partners Law Offices Outside Director (Audit & Supervisory Committee Member) of Tokai Tokyo Financial Holdings, Inc.) Ayako Ikeda

Outside Director
(Partner at Harago & Partners Law Offices
Outside Director (Audit & Supervisory Committee Member) of Tokai Tokyo Financial Holdings, Inc.)
Ayako Ikeda

Nomination and Compensation Advisory Committee Member
Career summary

Outside Director
(Partner at Harago & Partners Law Offices
Outside Director (Audit & Supervisory Committee Member) of Tokai Tokyo Financial Holdings, Inc.)
Ayako Ikeda

Career summary

1984

Registered as attorney and affiliated with the Daini Tokyo Bar Association Joined Harago Law Offices (currently Harago & Partners Law Offices)

1990

Joined Steptoe & Johnson LLP, USA

1991

Admitted to the New York State Bar

1992

Joined Hamada & Matsumoto (currently Mori Hamada & Matsumoto)

2002

Professor at The Legal Training and Research Institute of Japan (in charge of defense in civil cases)

2006

Deputy Secretary General of Japan Federation of Bar Associations

2015

Executive Director of Japan Federation of Bar Associations 

Vice President of Daini Tokyo Bar Association

2021

Outside Director (Audit & Supervisory Committee Member) of Tokai Tokyo Financial Holdings, Inc.(to the present)

2024

Outside Director of the Company

2025

Partner at Harago & Partners Law offices (to the present)

2025

Outside Director (Audit and Supervisory Committee Member) (to the present)
Outside Director, Audit and Supervisory Committee Member Isao Nakajima

Outside Director,
Audit and Supervisory Committee Member
Isao Nakajima

Nomination and Compensation Advisory Committee Member
Career summary

Outside Director,
Audit and Supervisory Committee Member
Isao Nakajima

Career summary

1982

 Joined Tokyo Gas Co., Ltd.

2008

 General Manager, Finance Dept. of Tokyo Gas Co., Ltd.

2011

 General Manager, Middle Branch of Tokyo Gas Co., Ltd.

2012

 General Manager, TG-Group Reorganization Project Dept. of Tokyo Gas Co., Ltd.

2013

 Executive Officer; General Manager, Residential Sales Planning Dept., Residential Sales and Service Div. of Tokyo Gas Co., Ltd.

2015

 Senior Executive Officer, CFO and in charge of Finance Dept., Accounting Dept., Purchasing Dept. and Real Estate Management Dept. of Tokyo Gas Co., Ltd.

2017

 Senior Executive Officer, CFO and in charge of Finance Dept., Accounting Dept. and Personnel Dept. of Tokyo Gas Co., Ltd.

2018

Senior Managing Executive Officer, CFO and in charge of Finance Dept., Accounting Dept., Personnel Dept. and Purchasing Dept. of Tokyo Gas Co., Ltd.

2019

 Standing Audit & Supervisory Board Member of Tokyo Gas Co., Ltd.

2021

 Director and Standing Audit Committee Member of Tokyo Gas Co., Ltd.

2023

 Director and Chairman of the Board of Tokyo Gas Real Estate Co., Ltd.

2025

 Outside Director (Audit and Supervisory Committee Member) of the Company (to the present)

 

 

Executive Officers

Managing Executive Officer
Gitae Kim

President,
TOK Advanced Materials Co., Ltd.

Executive Officer
Naoki Watanabe

Division Manager,
New Business Development Division

Executive Officer
Okikuni Takase

Division Manager,
Accounting and Finance Division

Executive Officer
Shoji Otaka

Division Manager,
Corporate Planning Division

Executive Officer
Yuichi Honma

Division Manager,
General Affairs Division

Executive Officer
Shinichi Isogai

Division Manager,
IT and Digital Division

Executive Officer
Motoko Samezawa

Division Manager,
Human Capital Division

Executive Officer
Naoki Tatsuno

Chairman and President,
TOK CHINA CO., LTD.

Executive Officer
Kazuyuki Shiotani

President,
TOKYO OHKA KOGYO AMERICA, INC.

Executive Officer
Atsushi Sawano

Chairman and President,
TOK TAIWAN CO., LTD.