TREA

Sumio Sasaki

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Charged particle beam apparatus
    • Patent number 7,592,604
    • Issue date Sep 22, 2009
    • Topcon Corporation
    • Hirotami Koike
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Apparatus for repairing a pattern film
    • Patent number 4,851,097
    • Issue date Jul 25, 1989
    • Seiko Instruments Inc.
    • Osamu Hattori
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    Charged particle beam apparatus
    • Publication number 20070246651
    • Publication date Oct 25, 2007
    • Hirotami Koike
    • H01 - BASIC ELECTRIC ELEMENTS