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Shimpei Miyagawa

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  • Komaki-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Charging roll for electrophotographic equipment
    • Patent number 12,105,436
    • Issue date Oct 1, 2024
    • Sumitomo Riko Company Limited
    • Yoshihiro Saito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Charging roll or developing roll for electrophotographic device
    • Patent number 11,215,937
    • Issue date Jan 4, 2022
    • Sumitomo Riko Company Limited
    • Kenta Nakazato
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Method for manufacturing blade for electrophotographic devices
    • Patent number 10,942,482
    • Issue date Mar 9, 2021
    • Sumitomo Riko Company Limited
    • Shimpei Miyagawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Cleaning blade
    • Patent number 10,684,585
    • Issue date Jun 16, 2020
    • Sumitomo Riko Company Limited
    • Shimpei Miyagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cleaning blade
    • Patent number 10,635,041
    • Issue date Apr 28, 2020
    • Sumitomo Riko Company Limited
    • Yasunori Nimura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cleaning blade for electrophotographic equipment
    • Patent number 10,203,648
    • Issue date Feb 12, 2019
    • Sumitomo Riko Company Limited
    • Kadai Takeyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Composition for cleaning blade for electrophotographic apparatus an...
    • Patent number 10,095,176
    • Issue date Oct 9, 2018
    • Sumitomo Riko Company Limited
    • Shimpei Miyagawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for producing blade member
    • Patent number 10,030,167
    • Issue date Jul 24, 2018
    • Sumitomo Riko Company Limited
    • Yasunori Nimura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    CHARGING ROLL FOR ELECTROPHOTOGRAPHIC DEVICE AND METHOD FOR MANUFAC...
    • Publication number 20240059875
    • Publication date Feb 22, 2024
    • SUMITOMO RIKO COMPANY LIMITED
    • Yoshihiro SAITO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CHARGING ROLL FOR ELECTROPHOTOGRAPHIC EQUIPMENT
    • Publication number 20230350321
    • Publication date Nov 2, 2023
    • SUMITOMO RIKO COMPANY LIMITED
    • Yoshihiro SAITO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CHARGING ROLL OR DEVELOPING ROLL FOR ELECTROPHOTOGRAPHIC DEVICE
    • Publication number 20210232058
    • Publication date Jul 29, 2021
    • SUMITOMO RIKO COMPANY LIMITED
    • Kenta NAKAZATO
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    METHOD FOR MANUFACTURING BLADE FOR ELECTROPHOTOGRAPHIC DEVICES
    • Publication number 20200333740
    • Publication date Oct 22, 2020
    • SUMITOMO RIKO COMPANY LIMITED
    • Shimpei MIYAGAWA
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    CLEANING BLADE
    • Publication number 20200004195
    • Publication date Jan 2, 2020
    • SUMITOMO RIKO COMPANY LIMITED
    • Shimpei MIYAGAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CLEANING BLADE FOR ELECTROPHOTOGRAPHIC EQUIPMENT
    • Publication number 20180307178
    • Publication date Oct 25, 2018
    • SUMITOMO RIKO COMPANY LIMITED
    • Kadai TAKEYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CLEANING BLADE
    • Publication number 20180275595
    • Publication date Sep 27, 2018
    • SUMITOMO RIKO COMPANY LIMITED
    • Yasunori Nimura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    COMPOSITION FOR CLEANING BLADE FOR ELECTROPHOTOGRAPHIC APPARATUS AN...
    • Publication number 20180039223
    • Publication date Feb 8, 2018
    • SUMITOMO RIKO COMPANY LIMITED
    • Shimpei Miyagawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR PRODUCING BLADE MEMBER
    • Publication number 20160297989
    • Publication date Oct 13, 2016
    • SUMITOMO RIKO COMPANY LIMITED
    • Yasunori Nimura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...