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Zhang Yajun

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  • Hyogo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Semiconductive rubber roller
    • Patent number 7,869,749
    • Issue date Jan 11, 2011
    • Sumitomo Rubber Industries, Ltd.
    • Yoshihisa Mizumoto
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    CONDUCTIVE ROLLER
    • Publication number 20090233776
    • Publication date Sep 17, 2009
    • Sumito Rubber Industries, Ltd.
    • Yoshihisa Mizumoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Semiconductive rubber roller
    • Publication number 20080107456
    • Publication date May 8, 2008
    • Sumitomo Rubber Industries, Ltd.
    • Yoshihisa Mizumoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Semiconductive roller
    • Publication number 20070041752
    • Publication date Feb 22, 2007
    • Yoshihisa Mizumoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY