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SUMCO Corporation
Type Public KK
Traded as TYO: 3436
Industry Semiconductor
Founded (July 30, 1999 (1999-07-30))
Headquarters 1-2-1 Shibaura, Minato-ku, Tokyo 105-8634, Japan
Key people Mayuki Hashimoto
(President and CEO)

Increase$ 1.83 billion USD (FY 2013)

(¥ 200.58 billion JPY) (FY 2013)

Increase$ 16.5 million USD (FY 2013)

(¥ 1.8 billion JPY) (FY 2013)
Employees 7,277 (consolidated as of December 31, 2013)
Website Official website
Footnotes / references

SUMCO Corporation (株式会社SUMCO Kabushiki-gaisha Samuko) 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]

SUMCO is listed on the first section of the Tokyo Stock Exchange and is a constituent of the Nikkei 225 stock index.[7]


The company manufactures the following products:[8]


  1. ^ "Corporate Data". SUMCO Corporation. Retrieved September 26, 2014. 
  2. ^ "Company Profile".  
  3. ^ "Financials Statements".  
  4. ^ "SUMCO Corporation Company Profile".  
  5. ^ "Market Share Analysis: Silicon Wafers, Worldwide, 2013".  
  6. ^ Kathryn Lynch-Morin (April 22, 2013). "Hemlock Semiconductor named supplier of the year by silicon-wafer producer SUMCO".  
  7. ^ "Components:Nikkei Stock Average".  
  8. ^ "Product Lineup". SUMCO Corporation. Retrieved September 26, 2014. 

External links

  • Official website (English)
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