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![]() Company headquarters in the Seavans North tower (right-hand side building) | |
Company type | Public KK |
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TYO: 3436 | |
Industry | Semiconductor |
Predecessors |
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Founded | (July 30, 1999 | )
Headquarters | 1-2-1 Shibaura, Minato, Tokyo 105-8634, Japan |
Area served | Worldwide |
Key people | Mayuki Hashimoto (President and CEO) |
Services | |
Revenue | ![]() |
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Number of employees | 7,277 (consolidated as of December 31, 2013) |
Website | www |
Footnotes / references [1][2][3] |
SUMCO Corporation (株式会社SUMCO, Kabushiki-gaisha Samuko, formerly Silicon United Manufacturing Corporation and Sumitomo Mitsubishi Silicon Corporation) is a Japanese semiconductor company, manufacturing silicon wafers for semiconductor manufacturers worldwide.
The company was established in 1999 as a joint venture between Mitsubishi Materials Corporation and Sumitomo Metal Industries[4] and as of 2013 is the second largest silicon wafer producer in the world, after Shin-Etsu Handotai, with a market share of 30%.[5][6] In 2001, SUMCO employed about 1,300 people in Oregon, which in 2003 was reduced to 680 after the U.S. manufacturing operations were consolidated in 2003.[7]
In June 2006, SUMCO acquired a 51% controlling stake in Komatsu Electronic Metals Co., making them a member of the SUMCO group.[8][9] Komatsu Electronic Metals Co. has a venture partnership with Formosa Plastics Group and has wafer plants in Miyazaki and Nagasaki.[10][11]
SUMCO acquired Mitsubishi Polycrystalline Silicon America Corp and Semiconductor Polysilicon Business Of Mitsubishi from Mitsubishi Materials Corporation in May 2023.[12][13]
SUMCO is listed on the first section of the Tokyo Stock Exchange and is a constituent of the Nikkei 225 stock index.[14]
The company manufactures the following products:[15]