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Masakazu Shigehara

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  • Chigasaki-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical adapter
    • Patent number 7,712,979
    • Issue date May 11, 2010
    • Sumiden High Precision Co., Ltd.
    • Masahiro Shibata
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical adapter
    • Publication number 20080310800
    • Publication date Dec 18, 2008
    • Masahiro Shibata
    • G02 - OPTICS
  • Information Patent Application

    Optical communication module and optical sub-assembly
    • Publication number 20080145005
    • Publication date Jun 19, 2008
    • Masahiro Shibata
    • G02 - OPTICS
  • Information Patent Application

    Optical connector plug
    • Publication number 20070025666
    • Publication date Feb 1, 2007
    • SUMIDEN HIGH PRECISION CO., LTD.
    • Masahiro Shibata
    • G02 - OPTICS