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Hiroki Kagawa

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  • Mishima-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toner
    • Patent number 12,228,882
    • Issue date Feb 18, 2025
    • Canon Kabushiki Kaisha
    • Atsuhiko Ohmori
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and method for producing toner
    • Patent number 12,078,960
    • Issue date Sep 3, 2024
    • Canon Kabushiki Kaisha
    • Hiroki Kagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 11,809,132
    • Issue date Nov 7, 2023
    • Canon Kabushiki Kaisha
    • Yuujirou Nagashima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Magnetic toner
    • Patent number 11,796,930
    • Issue date Oct 24, 2023
    • Canon Kabushiki Kaisha
    • Shuntaro Watanabe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 11,415,902
    • Issue date Aug 16, 2022
    • Canon Kabushiki Kaisha
    • Shuntaro Watanabe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and toner manufacturing method
    • Patent number 11,112,709
    • Issue date Sep 7, 2021
    • Canon Kabushiki Kaisha
    • Tatsuya Saeki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 11,112,713
    • Issue date Sep 7, 2021
    • Canon Kabushiki Kaisha
    • Hiroki Akiyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner and method for manufacturing magnetic toner
    • Patent number 10,969,704
    • Issue date Apr 6, 2021
    • Canon Kabushiki Kaisha
    • Hiroki Kagawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    TONER
    • Publication number 20240264543
    • Publication date Aug 8, 2024
    • Canon Kabushiki Kaisha
    • KOSUKE FUKUDOME
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20240264544
    • Publication date Aug 8, 2024
    • Canon Kabushiki Kaisha
    • HIROKI KAGAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20240264545
    • Publication date Aug 8, 2024
    • Canon Kabushiki Kaisha
    • ATSUHIKO OHMORI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER FOR USE IN IMAGE-FORMING
    • Publication number 20240231250
    • Publication date Jul 11, 2024
    • Canon Kabushiki Kaisha
    • KAZUYUKI SATO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20240219857
    • Publication date Jul 4, 2024
    • Canon Kabushiki Kaisha
    • TOMOHISA SANO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20240184225
    • Publication date Jun 6, 2024
    • Canon Kabushiki Kaisha
    • TOHRU HIRAMATSU
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND TWO-COMPONENT DEVELOPER
    • Publication number 20240069457
    • Publication date Feb 29, 2024
    • Canon Kabushiki Kaisha
    • RYUJI MURAYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20230408942
    • Publication date Dec 21, 2023
    • Canon Kabushiki Kaisha
    • HIROKI KAGAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20230408945
    • Publication date Dec 21, 2023
    • Canon Kabushiki Kaisha
    • SHOHEI SHIBAHARA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20230408946
    • Publication date Dec 21, 2023
    • Canon Kabushiki Kaisha
    • KAZUYUKI SATO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20230350319
    • Publication date Nov 2, 2023
    • Canon Kabushiki Kaisha
    • TOHRU HIRAMATSU
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20230350320
    • Publication date Nov 2, 2023
    • Canon Kabushiki Kaisha
    • TOMOHISA SANO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC TONER
    • Publication number 20230122974
    • Publication date Apr 20, 2023
    • Canon Kabushiki Kaisha
    • Hiroki Kagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20220373906
    • Publication date Nov 24, 2022
    • Canon Kabushiki Kaisha
    • Atsuhiko Ohmori
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND METHOD FOR PRODUCING TONER
    • Publication number 20220107574
    • Publication date Apr 7, 2022
    • Canon Kabushiki Kaisha
    • Hiroki Kagawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    TONER AND METHOD FOR PRODUCING TONER
    • Publication number 20220107573
    • Publication date Apr 7, 2022
    • Canon Kabushiki Kaisha
    • Hiroki Akiyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20210302856
    • Publication date Sep 30, 2021
    • Canon Kabushiki Kaisha
    • Yuujirou Nagashima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    MAGNETIC TONER
    • Publication number 20210255557
    • Publication date Aug 19, 2021
    • Canon Kabushiki Kaisha
    • Shuntaro Watanabe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20210080846
    • Publication date Mar 18, 2021
    • Canon Kabushiki Kaisha
    • Takuya Mizuguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20210055667
    • Publication date Feb 25, 2021
    • Canon Kabushiki Kaisha
    • Shuntaro Watanabe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20200285164
    • Publication date Sep 10, 2020
    • Canon Kabushiki Kaisha
    • Hiroki Akiyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND TONER MANUFACTURING METHOD
    • Publication number 20190384195
    • Publication date Dec 19, 2019
    • Canon Kabushiki Kaisha
    • Tatsuya Saeki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC TONER AND METHOD FOR MANUFACTURING MAGNETIC TONER
    • Publication number 20190384192
    • Publication date Dec 19, 2019
    • Canon Kabushiki Kaisha
    • Hiroki Kagawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...