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Seiichi Sakawa

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRON SOURCE
    • Publication number 20100026160
    • Publication date Feb 4, 2010
    • DENKI KAGAKU KOGYO KABUSHIKI KAISHA
    • Yoshinori Terui
    • B82 - NANO-TECHNOLOGY
  • Information Patent Application

    ELECTRON SOURCE
    • Publication number 20100019649
    • Publication date Jan 28, 2010
    • Denki Kagaku Kogyo Kabushiki Kaisha 1-1, Nihonbashi-Muromachi 2-chome
    • Yoshinori Terui
    • B82 - NANO-TECHNOLOGY
  • Information Patent Application

    ELECTRON SOURCE MANUFACTURING METHOD
    • Publication number 20090023355
    • Publication date Jan 22, 2009
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Seiichi Sakawa
    • B82 - NANO-TECHNOLOGY
  • Information Patent Application

    Electron gun, electron beam exposure apparatus, and exposure method
    • Publication number 20080315089
    • Publication date Dec 25, 2008
    • Hiroshi Yasuda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Electron gun
    • Publication number 20060145585
    • Publication date Jul 6, 2006
    • DENKI KAGAKU KOGYO KABUSHIKI KAISHA
    • Yoshinori Terui
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Method for determining an operational condition of a thermal field...
    • Publication number 20020060573
    • Publication date May 23, 2002
    • DENKI KAGAKU KOGYO KABUSHIKI KAISHA
    • Seiichi Sakawa
    • H01 - BASIC ELECTRIC ELEMENTS