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Kunio Ito

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Patents Grantslast 30 patents

  • Information Patent Grant

    Charging roll for electrophotographic apparatus
    • Patent number 10,203,626
    • Issue date Feb 12, 2019
    • Sumitomo Riko Company Limited
    • Kunio Ito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Conductive foam roll
    • Patent number 10,095,156
    • Issue date Oct 9, 2018
    • Sumitomo Riko Company Limited
    • Kunio Ito
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Conductive member for electrophotographic machine
    • Patent number 10,018,935
    • Issue date Jul 10, 2018
    • Sumitomo Riko Company Limited
    • Masanori Ishida
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Elastic member of semiconductive polymer and OA equipment using the...
    • Patent number 7,144,525
    • Issue date Dec 5, 2006
    • Tokai Rubber Industries, Ltd.
    • Hitoshi Yoshikawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Electrically conductive foam component
    • Patent number 6,783,701
    • Issue date Aug 31, 2004
    • Tokai Rubber Industries, Ltd.
    • Hitoshi Yoshikawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Conductive roll
    • Patent number 6,146,320
    • Issue date Nov 14, 2000
    • Tokai Rubber Industries, Ltd.
    • Hitoshi Yoshikawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents