H-ONE CO., LTD.

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Board Members' Career Summary

(As of June 26, 2024)

Directors

Seiki Mayumi
Representative Director
October 26, 1967

Career Summary

Apr. 1991 Joined HIRATA TECHNICAL CO., LTD.
Jun. 2009 Vice President of UYT Limited
Jun. 2015 Operating Officer and
General Manager of the Corporate Management Planning Operations of the Company
Apr. 2018 Vice President of KTH Parts Industries, Inc.
Apr. 2023 Senior Operating Officer and
Assistant to President of the Company
Apr. 2024 President and Chief Executive Officer and
Chief Operating Officer of Business Management Operations of the Company (current position)
Jun. 2024 Representative Director, President and Chief Executive Officer of the Company (current position)

Activity Status

Attendance at the Board of Directors meetings -/- (April. 2023 - March. 2024)

Mr. Seiki Mayumi possesses considerable insight related to global business operations including years of involvement with management of business bases in Europe and the United States based on his abundant experience at having engaged in operations as production, development, overseas business, and corporate planning. As the Company Group President, he is currently demonstrating strong leadership based on his experience and knowledge, and is taking the lead to oversee the business strategy for improving Company Group value.
Therefore, since his appointment in June 2024, he can sufficiently fulfill the role of deciding on important matters and supervising the execution of business within the Company Group.

Hiroyuki Watanabe
Director
February 25, 1960

Career Summary

Mar. 1978 Joined Hirata Press Kogyo Co., Ltd.
Oct. 2006 General Manager of the Production Division of the Maebashi Factory of the Company
Apr. 2011 Factory Operating Officer of the Kameyama Factory of the Company
Jun. 2012 Operating Officer of the Company
Apr. 2014 General Manager of the Production Planning Group of the Company
Jun. 2014 Director of the Company
Aug. 2014 Factory Operating Officer of the Koriyama Factory of the Company
Jun. 2016 Senior Operating Officer of the Company
Apr. 2019 Managing Officer, Chief Operating Officer of the Production Operations, and Risk Management Officer of the Company (current position)
Mar. 2021 Factory Operating Officer of the Kameyama Factory of the Company
Jun. 2021 Director and Managing Officer of the Company (current position)
Apr. 2024 Chief Operating Officer of the Japan Business Operations, Business Management Officer, and Executive Manager of the East Japan Management Division

Activity Status

Attendance at the Board of Directors meetings 12/12 (April. 2023 - March. 2024)

Mr. Hiroyuki Watanabe has engaged in management of the Company’s overseas subsidiary and business operations in production bases in Japan in the past. He presently supervises various initiatives for strengthening the Company Group’s business foundation and risk management system as the supervisor of production divisions. He therefore possesses abundant experience and considerable insight related to the manufacturing and marketing of automobile parts, the primary business of the Company Group.
Therefore, he can sufficiently fulfill the role of deciding on important matters and supervising the execution of business within the Company Group.

Masamichi Okuda
Director
April 3, 1965

Career Summary

Mar. 1988 Joined Hirata Press Kogyo Co., Ltd.
Oct. 2007 General Manager of Overseas Operations of the Company
Apr. 2011 General Manager of Sales Planning Division
Oct. 2012 General Manager of Sales Division 1
Feb. 2016 President of WH Auto Parts Industries Inc.
Apr. 2020 Operating Officer of the Company
Apr. 2023 General Manager of Corporate Management Planning Division and General Manager of Digital Transformation Promotion Group
Apr. 2024 Managing Officer and
in charge of Corporate Planning Division, Information Systems Division, and Accounting Division, Business Management Operations of the Company (current position)
Jun. 2024 Director and Managing Officer of the Company (current position)

Activity Status

Attendance at the Board of Directors meetings -/- (April. 2023 - March. 2024)

Mr. Masamichi Okuda has handled work supervising the Sales Division, and has also been involved in corporate manage at business bases in China for many years to realize various initiatives for improving added value of automobile parts and for gaining new customers, thereby contributing to increasing sales. Currently, as a supervisor of Corporate Planning, he takes the initiative to promote business strategies that lead to expanding the business of the Company Group. Therefore, he has abundant experience and knowledge.
Therefore, since his appointment in June 2024, he can sufficiently fulfill the role of deciding on important matters and supervising the execution of business within the Company Group.

Keiichiro Maruyama
Outside Director
November 27, 1963

Career Summary

Apr. 1998 Registered as lawyer (TOKYO BAR ASSOCIATION)
Apr. 1998 Joined Nagawa-Okamura Law Firm
Jan. 2001 Deputy Managing Partner of Nagawa-Okamura Law Firm (current position)
May. 2009 Director of Tokyo College of Music
Jun. 2014 Outside Director of the Company (current position)
Jun. 2016 Outside Corporate Auditor of TODA CORPORATION (current position)
Apr. 2021 Chairman of the Board of Tokyo College of Music (current position)

Activity Status

Attendance at the Board of Directors meetings 10/12 (April. 2023 - March. 2024)

Mr. Keiichiro Maruyama possesses abundant experience and considerable insight cultivated as a lawyer and is active in making proposals and recommendations to the management of the Company Group in the Board of Directors meetings of the Company.
He has supervised the execution of business of the Company Group from a professional viewpoint and independent and fair standpoint.

Kunihiro Todokoro
Outside Director
May 29, 1954

Career Summary

Apr. 1977 Joined Saitama Bank, Ltd. (current Saitama Resona Bank, Limited)
Jun. 2009 Representative Director and Vice President of Saitama Resona Bank, Limited
Jun. 2013 Representative Director and President of J AND S INSURANCE SERVICE Co., Ltd.
Jun. 2015 Representative Director and President of FUJI WAREHOUSE&TRANSPORTATION CO., LTD.
Jun. 2016 Outside Director of the Company (current position)
Jun. 2019 Chair of SAITAMA KEIZAI DOYUKAI (current position)
Jun. 2020 Representative Director and Chairperson of FUJI WAREHOUSE&TRANSPORTATION CO., LTD.
Apr. 2021 Representative Director, Chairperson and President of FUJI WAREHOUSE&TRANSPORTATION CO., LTD.
Jun. 2023 Director, Chairperson of FUJI WAREHOUSE&TRANSPORTATION CO., LTD. (current position)

Activity Status

Attendance at the Board of Directors meetings 12/12 (April. 2023 - March. 2024)

Mr. Kunihiro Todokoro possesses abundant experience and considerable insight from engaging in the management of financial institutions and multiple businesses and is active in making proposals and recommendations to the management of the Company Group in the Board of Directors meetings of the Company.
He has supervised the execution of business of the Company Group from a professional viewpoint and independent and fair standpoint.

Sawako Yamamoto
Outside Director
June 5, 1960

Career Summary

Apr. 1983 Joined Secretariat of Fair Trade Commission (current General Secretariat of Fair Trade Commission)
Jun. 2008 Division Manager, Personnel Division, Secretariat, General Secretariat of Fair Trade Commission
Sep. 2012 Deputy Director General, Investigation Bureau, General Secretariat of Fair Trade Commission
Jul. 2014 Senior Deputy Secretary General, Secretariat, General Secretariat of Fair Trade Commission
Jun. 2016 Director General, Investigation Bureau, General Secretariat of Fair Trade Commission
Jun. 2021 Director of the Company (current position)

Activity Status

Attendance at the Board of Directors meetings 12/12 (April. 2023 - March. 2024)

Ms. Sawako Yamamoto possesses abundant experience and considerable insight cultivated by successively holding important positions at the Fair Trade Commission and is active in making proposals and recommendations to the management of the Company Group in the Board of Directors meetings of the Company.
She has supervised the execution of business of the Company Group from a professional viewpoint and independent and fair standpoint.

Audit & Supervisory Board Members

Kazuo Yamashita
Full-time Audit & Supervisory Board Member
August 22, 1963

Career Summary

Mar. 1984 Joined Hirata Press Kogyo Co., Ltd.
Apr. 2012 General Manager of Accounting Division of the Company
Jun. 2015 Operating Officer of the Company
Jun. 2022 Full-time Audit & Supervisory Board Member of the Company (current position)

Activity Status

Attendance at the Board of Directors meetings 12/12 (April. 2023 - March. 2024)
Attendance at the Audit & Supervisory Board meetings 16/16 (April. 2023 - March. 2024)

Mr. Kazuo Yamashita has been engaged in operations related to consolidated financial statements and the like for many years as the supervisor of the Accounting Division. He possesses abundant experience regarding the management of the Company Group, including supervising the Company Group’s accounting and financial affairs and internal controls, and considerable insight related to finance and accounting.
He has fulfilled the role of supervising management and the execution of business within the Company Group.

Hiroyuki Kawai
Outside Audit & Supervisory Board Member
November 19, 1961

Career Summary

Oct. 1992 Joined Inoue Saito Eiwa Audit Corporation (current KPMG AZSA LLC)
Apr. 1996 Registered as a certified public accountant
May. 2008 Partner of KPMG AZSA (current KPMG AZSA LLC)
Jul. 2014 Joined ASAHI Tax Corporation
Sep. 2014 Registered as a certified public tax accountant
Jun. 2015 Outside Audit & Supervisory Board Member of the Company (current position)
Jan. 2019 Director of KAWAI CPA OFFICE (current position)
Nov. 2020 Outside Director of OOTOYA Holdings Co., Ltd.
Jun. 2021 Outside Director, Audit & Supervisory Committee Member of OOTOYA Holdings Co., Ltd. (current position)
Jun. 2021 Outside Director of KAPPA•CREATE CO., LTD.
Jun. 2022 Outside Director, Audit & Supervisory Committee Member of KAPPA•CREATE CO., LTD. (current position)

Activity Status

Attendance at the Board of Directors meetings 12/12 (April. 2023 - March. 2024)
Attendance at the Audit & Supervisory Board meetings 16/16 (April. 2023 - March. 2024)

Mr. Hiroyuki Kawai possesses abundant experience and considerable insight as an expert in finances and accounting, cultivated as certified public accountant and certified public tax accountant. He is active in making statements to the management of the Company Group from a professional viewpoint in the Board of Directors meetings and the Audit & Supervisory Board meetings of the Company.
He has supervised the execution of business of the Company Group from independent and fair standpoint.

Hiroki Murakami
Outside Audit & Supervisory Board Member
December 30, 1974

Career Summary

Oct. 2004 Registered as lawyer (Gunma Bar Association)
Oct. 2004 Joined Kogure Law Firm
Jan. 2009 Director of MURAKAMI HIROKI LAW OFFICE (current position)
Oct. 2010 Member of Gunma Official Documents Disclosure Judging Committee (current position)
Apr. 2012 Deputy Chairman of Gunma Bar Association (1 Term)
Jun. 2018 Outside Audit & Supervisory Board Member of the Company (current position)

Activity Status

Attendance at the Board of Directors meetings 12/12 (April. 2023 - March. 2024)
Attendance at the Audit & Supervisory Board meetings 16/16 (April. 2023 - March. 2024)

Mr. Hiroki Murakami possesses abundant experience and considerable insight cultivated as a lawyer. He is active in making statements to the management of the Company Group from a professional viewpoint in the Board of Directors meetings and the Audit & Supervisory Board meetings of the Company.
He has supervised the execution of business of the Company Group from independent and fair standpoint.

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