Sumco Corporation (SUMCF)
OTCMKTS
· Delayed Price · Currency is USD
6.91
+1.16 (20.17%)
Apr 23, 2025, 4:00 PM EDT
Sumco Company Description
Sumco Corporation manufactures and sells silicon wafers for the semiconductor industry in Japan, the United States, China, Taiwan, Korea, and internationally.
The company offers polished, annealed, epitaxial, junction isolated, silicon-on-insulator, and reclaimed polished wafers, as well as provides monocrystalline ingots.
Sumco Corporation was formerly known as Sumitomo Mitsubishi Silicon Corp. and changed its name to Sumco Corporation in August 2005.
The company was incorporated in 1999 and is headquartered in Tokyo, Japan.
Sumco Corporation

Country | Japan |
Founded | 1999 |
Industry | Semiconductor Equipment & Materials |
Sector | Technology |
Employees | 9,850 |
CEO | Mayuki Hashimoto |
Contact Details
Address: No. 1-2-1 Shibaura Tokyo, 105-8634 Japan | |
Phone | 81 3 5444 0808 |
Website | sumcosi.com |
Stock Details
Ticker Symbol | SUMCF |
Exchange | OTCMKTS |
Stock Type | Common Stock |
Fiscal Year | January - December |
Reporting Currency | JPY |
ISIN Number | JP3322930003 |
SIC Code | 3674 |
Key Executives
Name | Position |
---|---|
Mayuki Hashimoto | Chief Executive Officer and Chairman |
Toshihiro Awa | President, Director, Assistant to the Chairman and Head of Sales Division |
Shinichi Kubozoe | Chief Financial Officer, Executive Vice President and Representative Director |
Ito Hiroshi | GM of Accounting Department and President's Office |
Hiroshi Shibaya | Senior Managing Executive Officer, GM of Public Relations and IR Department |
Takeo Katoh | Senior Managing Executive Off. of AI Promotion Headquarters, General Affairs, Human Resources and Labor Policy & Director |
Jiro Ryuta | Vice President, Director and GM of Production Technology Division |
Tomoaki Tajiri | Managing Executive Officer, 2nd Factory Manager and Deputy GM of Production Engineering Headquarters |
Fumihiko Yoshida | Managing Executive Officer, Deputy GM of Production Engineering Headquarters and 1st Factory Manager |
Kazuhito Matsukawa | Managing Executive Officer and Director of Marketing Technology |