Board of Directors

Board of Directors INDEX

President, CEO

TANIGUCHI Masahiro

TANIGUCHI Masahiro

Career summary: 

April 1994

Joined TOA Corporation

January 2005

President, TOA CORPORATION (UK) LIMITED

April 2008

Assistant Executive Manager, Supply Chain Management Division

April 2009

General Manager, Management Planning Department

April 2014

General Manager, Management Planning Department, Corporate Planning Division

April 2016

Executive Manager, Administration Division

April 2017

Executive Officer, Executive Manager, Administration Division

April 2020

Executive Officer, Executive Manager, Global R&D Division

June 2022

Director, Executive Officer, Executive Manager, Global R&D Division, and in charge of Quality Assurance Department

June 2023

President, CEO

September 2024

President, CEO, and in charge of Global R&D Division

April 2025

President, CEO

Director

HAYAKAWA Hiroshi

HAYAKAWA Hiroshi

Career summary: 

April 1986

Joined TOA Corporation

April 2013

General Manager, Kyushu Area Sales Department, Sales Division

April 2015

General Manager, Kyushu Area Sales Department, Domestic Sales Division, Sales Division

April 2017

General Manager, Metropolitan Area Sales Department, Domestic Sales Division, Sales Division

April 2018

Executive Officer, Executive Manager, Solution Sales Division

June 2022

Director, Executive Officer, Executive Manager, Solution Sales Division, and
in charge of Sales Engineering Department, Next Business Promotion Department

April 2023

Director, Executive Officer, Executive Manager, Solution Sales Division, and
in charge of Next Business Promotion Department

NISHINO Takashi

NISHINO Takashi

Career summary: 

April 1995

Joined TOA Corporation

April 2012

President, ACOUS Corporation

April 2014

President Director, PT. TOA GALVA INDUSTRIES

April 2017

Vice General Manager, Asia & Pacific Business Department, International Business Division

January 2018

General Manager, Asia & Pacific Business Department, International Business Division, and
Senior Product Director, and
President, TOA ELECTRONICS PTE LTD, and
President, TOA ELECTRONICS (M) SDN.BHD.

April 2018

Executive Officer, General Manager, Asia & Pacific Business Department, International Business Division, and
Senior Product Director, and
President, TOA ELECTRONICS PTE LTD, and
President, TOA ELECTRONICS (M) SDN.BHD.

January 2022

Executive Officer, General Manager, Asia & Pacific Business Department, International Business Division, and
Senior Product Director, and
President, TOA ELECTRONICS PTE LTD

April 2022

Executive Officer, General Manager, Asia & Pacific Business Department, International Business Division, and
Senior Product Director, and
President, TOA ELECTRONICS PTE LTD, and
President, CEO, TOA ELECTRONICS INDIA PRIVATE LIMITED

April 2024

Executive Officer, Executive Manager, International Business Division, and
in charge of Asia & Pacific Business Department

June 2024

Director, Executive Officer, Executive Manager, International Business Division, and
in charge of Asia & Pacific Business Department, and
in charge of Quality Assurance Department

April 2025

Director, Executive Officer, Executive Manager, International Business Division, and
in charge of Asia & Pacific Business Department, and
in charge of Europe, Middle East & Africa Business Department, and
in charge of Quality Assurance Department

OTONO Toru

OTONO Toru

Career summary: 

April 1987

Joined TOA Corporation

April 2009

General Manager, Audio R&D Department , Audio R&D Division

April 2012

General Manager, International R&D Department, International Business Division

April 2014

General Manager, Audio R&D Department, Audio R&D Division

April 2016

General Manager, R&D Division

April 2017

President, TAKEX Corporation

April 2019

General Manager, Core Product R&D Department, Global R&D Division

April 2021

General Manager, Product Marketing Department, Global R&D Division

April 2022

Executive Officer, Vice Executive Manager, Global R&D Division

June 2023

Executive Officer, Executive Manager, Global R&D Division

September 2024

Executive Manager, Global R&D Division

June 2025

Director, Executive Officer, Executive Manager, Global R&D Division

Outside Director

MURATA Masashi

MURATA Masashi

Career summary: 

April 1983

Joined Asahi Glass Co., Ltd. (currently AGC Inc.)

August 1999

Resigned from Asahi Glass Co., Ltd. (currently AGC Inc.)
Joined Santen Pharmaceutical Co., Ltd. General Manager, Office of the President

September 2001

General Manager, Strategic Planning Group, Sales & Marketing Division, Prescription Pharmaceuticals, Santen Pharmaceutical Co., Ltd.

July 2002

General Manager, Ophthalmic Marketing Group, Sales & Marketing Division, Prescription Pharmaceuticals, Santen Pharmaceutical Co., Ltd.

January 2005

General Manager, Strategic Planning & Controlling Group, Sales & Marketing Division, Prescription Pharmaceuticals, Santen Pharmaceutical Co., Ltd.

April 2007

General Manager, Corporate Planning Group, Santen Pharmaceutical Co., Ltd.

July 2011

CAO (Chief Administrative Officer), Santen Inc.

January 2014

General Manager, Corporate Auditor’s Group, Santen Pharmaceutical Co., Ltd.

June 2016

Standing Corporate Auditor, Santen Pharmaceutical Co., Ltd.

June 2020

Senior Advisor, Santen Pharmaceutical Co., Ltd.

June 2021

Outside Audit & Supervisory Board Member, OSAKA Titanium technologies Co., Ltd.
Outside Director, TOA Corporation

June 2022

Member of the Audit & Supervisory Committee, OSAKA Titanium technologies Co., Ltd.

HANDA Minoru

HANDA Minoru

Career summary: 

April 1982

Joined Sony Corporation (currently Sony Group Corporation)

June 1996

General Manager, Quality Assurance Department, Bridgend Plant, Sony Manufacturing Company UK

January 2001

General Manager, Quality Assurance Department, San Diego Plant, Sony Electronics Inc.

April 2003

Vice President, in charge of quality, Sony Electronics Inc.

February 2007

General Manager, Quality Assurance Department, Energy Devices Division, Sony Corporation (currently Sony Group Corporation)

February 2013

Deputy General Manager, Quality and Environment Center, Sony Corporation (currently Sony Group Corporation)

September 2014

Seconded from Sony Corporation (currently Sony Group Corporation), President and Representative Director, Green Cycle Corporation

October 2019

Retired from Sony Corporation (currently Sony Group Corporation)

November 2019

Joined InoueKiko Co., Ltd., Plant Manager, InoueKiko Co., Ltd.

January 2022

Retired from InoueKiko Co., Ltd.

February 2022

Joined ARIAKE KOUGYO CO., LTD. Executive Officer, ARIAKE KOUGYO CO., LTD. (in charge of ARIAKE KOUGYO MATERIALS CO.,LTD.)
Seconded from ARIAKE KOUGYO CO., LTD., Executive Officer, ARIAKE KOUGYO MATERIALS CO.,LTD. (Assistant to the President)

May 2022

Executive Officer, ARIAKE KOUGYO CO., LTD.

June 2022

Outside Director, TOA Corporation

August 2022

President, CEO, ARIAKE KOUGYO MATERIALS CO.,LTD.

Standing Audit & Supervisory Board Member

 NISHIGAKI Takefumi

NISHIGAKI Takefumi

Career summary: 

April 1987

Joined TOA Corporation

March 2001

President, TOA Electronics Europe G.m.b.H.

June 2008

Executive Officer, TOA Corporation
President, TOA Electronics Europe G.m.b.H., and President, TOA CORPORATION (UK) LIMITED

April 2010

Executive Officer, Executive Manager, Technical Division

April 2016

Executive Officer, Vice Executive Manager, R&D Division

June 2017

Executive Officer, Executive Manager, R&D Division

April 2018

Executive Officer, Executive Manager, Global R&D Division

June 2020

Standing Audit & Supervisory Board Member

Outside Audit & Supervisory Board Member

NISHIKATA Kazuyo

NISHIKATA Kazuyo

Career summary: 

October 2003

Registered as an attorney-at-law
joined KOBE PARTNERS LAW OFFICE

April 2005

Legal Counselor, Kobe City Gender Equality Promotion Center

April 2006

Domestic Violence Legal Counselor, Hyogo Prefecture Women’s Family Center

April 2018

Member, Kobe City Real Estate Deliberation Committee

June 2018

Deputy Director, Japan Federation of Bar Associations Trust Center

November 2020

Member, Hyogo Prefecture Information Disclosure Personal Information Protection Committee

April 2021

Governor, Japan Federation of Bar Associations

June 2022

Outside Audit & Supervisory Board Member, TOA Corporation

 

SAWA Amane

SAWA Amane

Career summary: 

April 1999

Joined Asahi & Co. (current KPMG AZSA & Co.)

April 2002

Registered as a certified public accountant

September 2009

Transferred to KPMG Tax Corporation
Part-time Instructor, Institute of Business and Accounting, Professional Graduate School, Kwansei Gakuin University

December 2009

Registered as a tax accountant

April 2011

Retired from KPMG Tax Corporation
Established Sawa Certified Public Accountant Office, Representative

June 2023

Outside Audit & Supervisory Board Member, TOA Corporation

Skills matrix of the Board of Directors

The major skills (knowledge, experience, and abilities) of each Director and Audit & Supervisory Board Member will be as follows.

(as of June 25, 2025)

The major skills (knowledge, experience, and abilities) of each Director and Audit & Supervisory Board Member

*Displays a maximum of three areas of knowledge and experience for each Director and Audit & Supervisory Board member. It is not an exhaustive list.