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Corporate Information
Investor Relations
Corporate Governance
Executive Members
Outside Directors
Outside Directors
As of July 1, 2025
Goro Yamaguchi

Outside Director
[Date of Birth]
January 21, 1956
- Jun. 2024
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Outside Director of Toyota Tsusho Corporation (Current position)
- Jun. 2017
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Outside Director (Current position)
- Apr. 2017
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Chairman of the Board and Representative Director of Kyocera Corporation (Current position)
- Apr. 2013
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President and Representative Director, President and Executive Officer of Kyocera Corporation
- Jun. 2009
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Director and Managing Executive Officer of Kyocera Corporation
Keiji Yamamoto

Outside Director
[Date of Birth]
March 28, 1961
- Apr. 2025
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Chief Officer, Digital Information and Communication Group of TOYOTA MOTOR CORPORATION (Current position)
- Apr. 2023
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Senior Fellow of TOYOTA MOTOR CORPORATION
- Jan. 2021
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Operating Officer of TOYOTA MOTOR CORPORATION
Chief Information & Security Officer of TOYOTA MOTOR CORPORATION
- Jul. 2019
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President, Connected Company of TOYOTA MOTOR CORPORATION
Operating Officer of TOYOTA MOTOR CORPORATION
- Jun. 2019
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Outside Director (Current position)
- Apr. 2017
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Managing Officer of TOYOTA MOTOR CORPORATION
- Apr. 2016
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Executive General Manager of TOYOTA MOTOR CORPORATION
Tsutomu Tannowa

Outside Director, Independent Director
[Date of Birth]
October 26, 1951
- Jun. 2023
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Outside Director of TOKYO GAS CO.,LTD (Current position)
- Apr. 2023
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Director, Chairperson of the Board of Mitsui Chemicals, Inc. (Current position)
- Jun. 2022
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Outside Director (Current position)
- Apr. 2020
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Representative Director, Chairperson of the Board of Mitsui Chemicals, Inc.
- Apr. 2014
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Representative Director, Member of the Board, President & CEO of Mitsui Chemicals, Inc.
- Apr. 2013
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Member of the Board, Senior Managing Executive Officer of Mitsui Chemicals, Inc.
- Jun. 2012
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Member of the Board, Managing Executive Officer of Mitsui Chemicals, Inc.
- Apr. 2010
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Managing Executive Officer of Mitsui Chemicals, Inc.
- Apr. 2007
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Executive Officer of Mitsui Chemicals, Inc.
Junko Okawa

Outside Director, Independent Director
[Date of Birth]
August 31, 1954
- Jun. 2023
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Outside Director of Tokyo Electric Power Company Holdings, Inc. (Current position)
- Jun. 2022
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Outside Director (Current position)
Outside Director of Asahi Group Holdings, Ltd. (Current position)
- Jun. 2020
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Outside Director of The Shoko Chukin Bank, Ltd.
- Apr. 2019
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External Affairs Representative of Japan Airlines Co., Ltd.
- Jun. 2018
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Vice Chairperson of Japan Airlines Co., Ltd.
- Apr. 2016
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Representative Director, Senior Managing Executive Officer of Japan Airlines Co., Ltd.
- Jun. 2013
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Director, Senior Managing Executive Officer of Japan Airlines Co., Ltd.
- Apr. 2013
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Senior Managing Executive Officer of Japan Airlines Co., Ltd.
- Feb. 2012
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Managing Executive Officer of Japan Airlines Co., Ltd.
- Feb. 2010
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Executive Officer of Japan Airlines Co., Ltd.
Kyoko Okumiya

Outside Director, Independent Director
[Date of Birth]
June 2, 1956
- Aug. 2023
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Director of Japan Corporate Governance Network (Current position)
- Jun. 2023
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Outside Director (Current position)
Outside Director of ASAHI KOGYOSHA CO., LTD. (Current position)
- Jun. 2018
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Outside Director of The Bank of Yokohama, Ltd.
- Apr. 2018
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Member of Administrative Advisory Council, School of Legal and Political Studies of The University of Tokyo
- Jul. 2017
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Chairperson of The Labour Policy Council Equal Employment Opportunity Subcommittee
- Jun. 2014
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Outside Audit & Supervisory Board Member of NEC Corporation
Outside Director of MORINAGA MILK INDUSTRY CO., LTD.
- Aug. 2003
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Member of Audit Committee of Kawasaki City
- Sep. 2000
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Partner, Tanabe & Partners (Current position)
- Apr. 1984
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Registered as attorney at law
Makoto Ando

Outside Director, Independent Director
[Date of Birth]
February 16, 1952
- Jun. 2024
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Outside Director (Current position)
- Apr. 2024
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Programme Director, Fundamental Technologies for Sustainable Efficient Radio Wave Use R&D Project of Ministry of Internal Affairs and Communications (Current position)
- Jan. 2022
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Chairperson of Japan Coordinating Council for Wireless Power Transfer (Current position)
- Jun. 2020
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Programme Director, Strategic Information and Communications R&D Promotion Programme of Ministry of Internal Affairs and Communications (Current position)
- Apr. 2018
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Director (research, information) of Independent Administrative Agency National College of Technology
- Apr. 2017
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Emeritus Professor of Tokyo Institute of Technology (Currently Institute of Science Tokyo) (Current position)
- Apr. 2015
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Director, Executive Vice President for Research Tokyo Institute of Technology (Currently Institute of Science Tokyo)
- Apr. 1995
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Professor, Department of Electrical and Electronic Engineering, School of Engineering of Tokyo Institute of Technology (Currently Institute of Science Tokyo)
