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Naoki Koyama

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Patents Grantslast 30 patents

  • Information Patent Grant

    Conductive rubber roller
    • Patent number 7,727,135
    • Issue date Jun 1, 2010
    • Canon Kasei Kabushiki Kaisha
    • Ryuta Urano
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    TRANSFER ROLLER
    • Publication number 20110194880
    • Publication date Aug 11, 2011
    • Canon Kasei Kabushiki Kaisha
    • Yoshinobu OGAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CONDUCTIVE RUBBER ROLLER AND TRANSFER ROLLER
    • Publication number 20090162109
    • Publication date Jun 25, 2009
    • CANON KASEI KABUSHIKI KAISHA
    • Naoki Koyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Conductive rubber roller
    • Publication number 20060252620
    • Publication date Nov 9, 2006
    • Canon Kasei Kabushiki Kaisha
    • Ryuta Urano
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY