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Ryota Fujioka

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  • Toride-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Image forming system
    • Patent number 12,222,667
    • Issue date Feb 11, 2025
    • Canon Kabushiki Kaisha
    • Koji Arimura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming system
    • Patent number 11,815,850
    • Issue date Nov 14, 2023
    • Canon Kabushiki Kaisha
    • Koji Arimura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming system
    • Patent number 11,789,398
    • Issue date Oct 17, 2023
    • Canon Kabushiki Kaisha
    • Ryota Fujioka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing device having liquid developer movement restriction
    • Patent number 11,048,188
    • Issue date Jun 29, 2021
    • Canon Kabushiki Kaisha
    • Ryota Fujioka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus with belt cleaning device
    • Patent number 10,996,590
    • Issue date May 4, 2021
    • Canon Kabushiki Kaisha
    • Ryota Fujioka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 10,895,822
    • Issue date Jan 19, 2021
    • Canon Kabushiki Kaisha
    • Takehiro Kojima
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing apparatus
    • Patent number 10,816,917
    • Issue date Oct 27, 2020
    • Canon Kabushiki Kaisha
    • Shota Takami
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing device with cleaning roller and cleaning blade
    • Patent number 10,747,146
    • Issue date Aug 18, 2020
    • Canon Kabushiki Kaisha
    • Teppei Nagata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 10,732,537
    • Issue date Aug 4, 2020
    • Canon Kabushiki Kaisha
    • Ryota Fujioka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 9,207,563
    • Issue date Dec 8, 2015
    • Canon Kabushiki Kaisha
    • Ryota Fujioka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 7,899,343
    • Issue date Mar 1, 2011
    • Canon Kabushiki Kaisha
    • Ryota Fujioka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing apparatus for preventing powder scattering
    • Patent number 7,391,995
    • Issue date Jun 24, 2008
    • Canon Kabushiki Kaisha
    • Ryota Fujioka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    IMAGE FORMING SYSTEM
    • Publication number 20230129927
    • Publication date Apr 27, 2023
    • Canon Kabushiki Kaisha
    • Koji Arimura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING SYSTEM
    • Publication number 20230127053
    • Publication date Apr 27, 2023
    • Canon Kabushiki Kaisha
    • Koji Arimura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING SYSTEM
    • Publication number 20230075169
    • Publication date Mar 9, 2023
    • Canon Kabushiki Kaisha
    • Ryota Fujioka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING SYSTEM
    • Publication number 20230069158
    • Publication date Mar 2, 2023
    • Canon Kabushiki Kaisha
    • Takahiro Suzuki
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20200319576
    • Publication date Oct 8, 2020
    • Canon Kabushiki Kaisha
    • Ryota Fujioka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    DEVELOPING APPARATUS
    • Publication number 20200117121
    • Publication date Apr 16, 2020
    • Canon Kabushiki Kaisha
    • Shohta Takami
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20200081369
    • Publication date Mar 12, 2020
    • Canon Kabushiki Kaisha
    • Takehiro Kojima
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    DEVELOPING DEVICE, CLEANING DEVICE AND LIQUID DEVELOPER DEVICE
    • Publication number 20200019087
    • Publication date Jan 16, 2020
    • Canon Kabushiki Kaisha
    • Ryota Fujioka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    DEVELOPING DEVICE
    • Publication number 20190369526
    • Publication date Dec 5, 2019
    • Canon Kabushiki Kaisha
    • Teppei Nagata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20190278195
    • Publication date Sep 12, 2019
    • Canon Kabushiki Kaisha
    • Ryota Fujioka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20150192877
    • Publication date Jul 9, 2015
    • Canon Kabushiki Kaisha
    • Ryota Fujioka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20080181638
    • Publication date Jul 31, 2008
    • Canon Kabushiki Kaisha
    • Ryota Fujioka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Developing apparatus
    • Publication number 20060120760
    • Publication date Jun 8, 2006
    • Canon Kabushiki Kaisha
    • Ryota Fujioka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY