Management philosophy
Corporate Profile
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Board of Directors
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Director, Member of the Board (outside and part-time) : Takahiro Ikeda
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Director, Member of the Board (outside and part-time) : Akio Sakumiya
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Director, Member of the Board (outside and part-time) : Yoshitaka Mitsuda
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Director, Member of the Board (outside and part-time) : Ryoko Nagata
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Director, Member of the Board (outside and part-time) : Makiko Akabane
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Audit & Supervisory Board Member (outside and part-time) : Hiroyuki Yamasaki
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Audit & Supervisory Board Member (outside and part-time) : Yoshiro Motoyama
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Audit & Supervisory Board Member (outside and part-time) : Yuko Furumoto
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History
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The History of Flat-Rolled Aluminum Production in Japan
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Domestic Bases and Group Companies
Events / corporate advertising
Audit & Supervisory Board Member (outside and part-time) : Hiroyuki Yamasaki
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- Audit & Supervisory Board Member (outside and part-time) : Hiroyuki Yamasaki
Hiroyuki Yamasaki
Born on September 5, 1954
Professional Background
| October 1982 | Joined Chuo Accounting Corporation |
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| October 2005 | Director, Chuo Aoyama Audit Corporation |
| May 2006 | Acting Chairman |
| November 2007 | Senior Partner of ShinNihon Audit Corporation (now Ernst & Young ShinNihon LLC) |
| August 2008 | Managing Director of Ernst & Young ShinNihon LLC (resigned in August 2012) |
| July 2013 | Auditor of Japan Venture Capital Association (resigned in July 2017) |
| July 2017 | President of Hiroyuki Yamasaki CPA Office (Current) |
| December 2017 | Director, Land Business Co., Ltd. (resigned in December 2019) |
| June 2018 | Audit & Supervisory Board Member (outside and part-time), UACJ Corporation, Director (outside),Sankyo Co., Ltd. (Current) |
| September 2020 | Executive Officer,Land Business Co., Ltd. December |
| December 2020 | Director, and Vice President,Land Business Co., Ltd. (resigned in December 2022) |
Significant concurrent positions outside the Company
- Director of CPA Hiroyuki Yamasaki Office
- Outside Director and Audit and Supervisory Committee Member of Sankyo Co., Ltd.


