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Haruo SUMIZAWA

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  • Nagano-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing semiconductor wafers
    • Patent number 9,123,795
    • Issue date Sep 1, 2015
    • Fujikoshi Machinery Corp.
    • Yoshio Nakamura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Polishing machine
    • Patent number 6,080,048
    • Issue date Jun 27, 2000
    • Fujikoshi Kikai Kogyo Kabushiki
    • Fuminari Kotagiri
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD OF MANUFACTURING SEMICONDUCTOR WAFERS
    • Publication number 20140154870
    • Publication date Jun 5, 2014
    • NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    • Yoshio NAKAMURA
    • H01 - BASIC ELECTRIC ELEMENTS