TREA

Fumio Kawahigashi

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  • Saga, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Crystal growth method
    • Patent number 6,767,400
    • Issue date Jul 27, 2004
    • Sumitomo Mitsubishi Silicon Corporation
    • Takayuki Kubo
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Crystal growth apparatus
    • Patent number 6,764,547
    • Issue date Jul 20, 2004
    • Sumitomo Mitsubishi Silicon Corporation
    • Takayuki Kubo
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Crystal growing apparatus
    • Patent number 6,740,160
    • Issue date May 25, 2004
    • Sumitomo Mitsubishi Silicon Corporation
    • Takayuki Kubo
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Production device for high-quality silicon single crystals
    • Patent number 6,702,892
    • Issue date Mar 9, 2004
    • Sumitomo Mitsubishi Silicon Corporation
    • Masahiko Okui
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents