Sumco 3436.T · JPY

Its shares trade on Tokyo Stock Exchange under the ticker 3436.T. It has been listed since 17 November 2005. In the fiscal year to 31 December 2025, it reported revenue of ¥409.67bn and a net loss of ¥11.75bn. At that date it held total assets of ¥1.13trn and shareholders' equity of ¥578.38bn.

SUMCO Corp. engages in the manufacture and sale of silicon wafers for semiconductor industry. The company is headquartered in Minato-Ku, Tokyo-To. The company went IPO on 2005-11-17. The firm operates High-purity Silicon segment, which is mainly involved in the manufacture and sale of various silicon wafers for semiconductors, including polished wafers, epitaxial wafers and other semiconductors applied in the manufacture of memory products and micro processing units (MPUs). The firm manufactures polished wafers of diameters and epitaxial wafers with special processing on the surface at domestic and overseas manufacturing bases.

Figures and description from our data supplier, not checked against the company's own report.

• Mr. Mayuki HashimotoChairman of the Board, Chairman of the Board of Directors, Chief Executive Officer, Representative Director, since 2010¥130.0m
• Mr. Toshihiro AwaPresident, Chief Director of Sales, Representative Director, since 2015¥101.0m
• Mr. Shinichi KubozoeVice President, Chief Financial Officer, Manager of President's Office, Representative Director, since 2018
• Mr. Jiro RyutaVice President, Chief Director of Production Technology, Manager of Kyushu Business Office, Representative Director, since 2014
• Mr. Naruya HirotaVice President, Chief Director of Construction
• Mr. Takeo KatohSenior Managing Executive Officer, Chief Director of AI Promotion, Sustainability Promotion Officer, Director, since 2021
• Mr. Takashi AtamiSenior Managing Executive Officer, Deputy Chief Director of Production Technology
• Mr. Hiroshi ShibayaSenior Managing Executive Officer, Deputy Chief Director of Production Technology
• Mr. Yasuharu SasakiManaging Executive Officer, Deputy Chief Director of Main Sales Unit
• Mr. Masayasu HaraManaging Executive Officer, Deputy Chief Director of Production Technology, Manager of 1st Kuhara Plant
• Mr. Kouki KatoManaging Executive Officer, Deputy Chief Director of Production Technology, Director of Equipment Management
• Mr. Kazuhito MatsukawaManaging Executive Officer, Deputy Chief Director of Production Technology

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Governance

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