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Yasuyuki Hayasaki

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  • Aichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flexographic printing plate precursor
    • Patent number 11,982,941
    • Issue date May 14, 2024
    • Sumitomo Riko Company Limited
    • Koji Morihara
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Conductive roller for electrophotographic equipment
    • Patent number 10,691,038
    • Issue date Jun 23, 2020
    • Sumitomo Riko Company Limited
    • Takahisa Kose
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Conductive member for electrophotographic image forming apparatus
    • Patent number 9,617,361
    • Issue date Apr 11, 2017
    • SUMITOMO RIKO COMPANY LIMITED
    • Yosuke Hayashi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing roll
    • Patent number 7,356,294
    • Issue date Apr 8, 2008
    • Tokai Rubber Industries, Ltd.
    • Masanori Ishida
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Conductive roll
    • Patent number 6,918,866
    • Issue date Jul 19, 2005
    • Tokai Rubber Industries, Ltd.
    • Shiro Miyamori
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    CONVEYING BELT
    • Publication number 20230219777
    • Publication date Jul 13, 2023
    • SUMITOMO RIKO COMPANY LIMITED
    • Hironari Nishioka
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    FIXING MEMBER FOR ELECTROPHOTOGRAPHIC DEVICE
    • Publication number 20210364954
    • Publication date Nov 25, 2021
    • SUMITOMO RIKO COMPANY LIMITED
    • Kazunori TAKAKI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    FLEXOGRAPHIC PRINTING PLATE PRECURSOR
    • Publication number 20200241416
    • Publication date Jul 30, 2020
    • SUMITOMO RIKO COMPANY LIMITED
    • Koji MORIHARA
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    CONDUCTIVE ROLLER FOR ELECTROPHOTOGRAPHIC EQUIPMENT
    • Publication number 20200073274
    • Publication date Mar 5, 2020
    • SUMITOMO RIKO COMPANY LIMITED
    • Takahisa KOSE
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MODIFIED POLYMER BODY
    • Publication number 20140248067
    • Publication date Sep 4, 2014
    • TOKAI RUBBER INDUSTRIES, LTD.
    • Yosuke Hayashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Developing roll
    • Publication number 20060147229
    • Publication date Jul 6, 2006
    • TOKAI RUBBER INDUSTRIES, LTD.
    • Masanori Ishida
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Method of producing electrically conductive crown-shaped roll, and...
    • Publication number 20050138810
    • Publication date Jun 30, 2005
    • TOKAI RUBBER INDUSTRIES, LTD.
    • Shiro Miyamori
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Developing roll
    • Publication number 20050085361
    • Publication date Apr 21, 2005
    • TOKAI RUBBER INDUSTRIES, LTD.
    • Masanori Ishida
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Method of producing electrically conductive crown-shaped roll, and...
    • Publication number 20040082451
    • Publication date Apr 29, 2004
    • TOKAI RUBBER INDUSTRIES, LTD.
    • Shiro Miyamori
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Conductive roll
    • Publication number 20040062940
    • Publication date Apr 1, 2004
    • TOKAI RUBBER INDUSTRIES, LTD.
    • Shiro Miyamori
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY