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Mariko Yamashita

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  • Suntou-gun, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Image forming apparatus and process cartridge
    • Patent number 11,409,233
    • Issue date Aug 9, 2022
    • Canon Kabushiki Kaisha
    • Tetsuya Kinumatsu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Toner
    • Patent number 11,333,989
    • Issue date May 17, 2022
    • Canon Kabushiki Kaisha
    • Tomohiro Unno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 11,181,840
    • Issue date Nov 23, 2021
    • Canon Kabushiki Kaisha
    • Ryo Nagata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 11,181,846
    • Issue date Nov 23, 2021
    • Canon Kabushiki Kaisha
    • Tetsuya Kinumatsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and method for producing toner
    • Patent number 11,181,839
    • Issue date Nov 23, 2021
    • Canon Kabushiki Kaisha
    • Mariko Yamashita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 11,112,708
    • Issue date Sep 7, 2021
    • Canon Kabushiki Kaisha
    • Kozue Uratani
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus, process cartridge, and cartridge set
    • Patent number 11,086,245
    • Issue date Aug 10, 2021
    • Canon Kabushiki Kaisha
    • Mariko Yamashita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 10,782,623
    • Issue date Sep 22, 2020
    • Canon Kabushiki Kaisha
    • Daisuke Yoshiba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 10,578,990
    • Issue date Mar 3, 2020
    • Canon Kabushiki Kaisha
    • Shohei Tsuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    TONER
    • Publication number 20240192617
    • Publication date Jun 13, 2024
    • Canon Kabushiki Kaisha
    • TATSUYA SAEKI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER FOR ELECTROPHOTOGRAPHY OR ELECTROSTATIC RECORDING
    • Publication number 20240192618
    • Publication date Jun 13, 2024
    • Canon Kabushiki Kaisha
    • YUKI MASUDA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20230418177
    • Publication date Dec 28, 2023
    • Canon Kabushiki Kaisha
    • KENJI AOKI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20230418174
    • Publication date Dec 28, 2023
    • Canon Kabushiki Kaisha
    • YUHEI TERUI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    NONMAGNETIC TONER
    • Publication number 20230418172
    • Publication date Dec 28, 2023
    • Canon Kabushiki Kaisha
    • SHINTARO NOJI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20230418173
    • Publication date Dec 28, 2023
    • Canon Kabushiki Kaisha
    • TAKASHI MATSUI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20230418176
    • Publication date Dec 28, 2023
    • Canon Kabushiki Kaisha
    • MARIKO YAMASHITA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND METHOD FOR MANUFACTURING TONER
    • Publication number 20220128916
    • Publication date Apr 28, 2022
    • Canon Kabushiki Kaisha
    • Yu Yoshida
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, CARTRIDGE SET, AND IMAG...
    • Publication number 20210200109
    • Publication date Jul 1, 2021
    • Canon Kabushiki Kaisha
    • Daisuke Yoshiba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND CARTRIDGE SET
    • Publication number 20210200111
    • Publication date Jul 1, 2021
    • Canon Kabushiki Kaisha
    • Mariko Yamashita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
    • Publication number 20210165364
    • Publication date Jun 3, 2021
    • Canon Kabushiki Kaisha
    • Tetsuya Kinumatsu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    TONER
    • Publication number 20200409283
    • Publication date Dec 31, 2020
    • Canon Kabushiki Kaisha
    • Tetsuya Kinumatsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20200409282
    • Publication date Dec 31, 2020
    • Canon Kabushiki Kaisha
    • Tomohiro Unno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20200363745
    • Publication date Nov 19, 2020
    • Canon Kabushiki Kaisha
    • Ryo Nagata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND METHOD FOR PRODUCING TONER
    • Publication number 20200363744
    • Publication date Nov 19, 2020
    • Canon Kabushiki Kaisha
    • Mariko Yamashita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20200166861
    • Publication date May 28, 2020
    • Canon Kabushiki Kaisha
    • Kozue Uratani
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20190041763
    • Publication date Feb 7, 2019
    • Canon Kabushiki Kaisha
    • Shohei Tsuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20190041762
    • Publication date Feb 7, 2019
    • Canon Kabushiki Kaisha
    • Daisuke Yoshiba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY