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Toshiaki Takeuchi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Cartridge including photosensitive drum and developing roller that...
    • Patent number 12,045,004
    • Issue date Jul 23, 2024
    • Canon Kabushiki Kaisha
    • Toshiaki Takeuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge and image forming apparatus
    • Patent number 11,971,682
    • Issue date Apr 30, 2024
    • Canon Kabushiki Kaisha
    • Hideki Kakuta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge including photosensitive drum and developing roller that...
    • Patent number 11,789,401
    • Issue date Oct 17, 2023
    • Canon Kabushiki Kaisha
    • Toshiaki Takeuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge and image forming apparatus
    • Patent number 11,650,538
    • Issue date May 16, 2023
    • Canon Kabushiki Kaisha
    • Hideki Kakuta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge
    • Patent number 11,619,908
    • Issue date Apr 4, 2023
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge
    • Patent number 11,579,564
    • Issue date Feb 14, 2023
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge including photosensitive drum and developing roller that...
    • Patent number 11,493,878
    • Issue date Nov 8, 2022
    • Canon Kabushiki Kaisha
    • Toshiaki Takeuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge
    • Patent number 11,353,821
    • Issue date Jun 7, 2022
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge
    • Patent number 11,320,780
    • Issue date May 3, 2022
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge and image forming apparatus
    • Patent number 11,204,582
    • Issue date Dec 21, 2021
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming unit and image forming apparatus
    • Patent number 11,199,789
    • Issue date Dec 14, 2021
    • Canon Kabushiki Kaisha
    • Yohei Kusano
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge including an image bearing member and developer bearing m...
    • Patent number 11,188,021
    • Issue date Nov 30, 2021
    • Canon Kabushiki Kaisha
    • Toshiaki Takeuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge
    • Patent number 11,042,117
    • Issue date Jun 22, 2021
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge
    • Patent number 11,036,179
    • Issue date Jun 15, 2021
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process cartridge, image forming apparatus and cleaning apparatus
    • Patent number 11,022,933
    • Issue date Jun 1, 2021
    • CANON KABUSHI KIKAISHA
    • Kazunori Hashimoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge
    • Patent number 10,976,697
    • Issue date Apr 13, 2021
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge
    • Patent number 10,976,698
    • Issue date Apr 13, 2021
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge
    • Patent number 10,969,733
    • Issue date Apr 6, 2021
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge
    • Patent number 10,969,734
    • Issue date Apr 6, 2021
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge
    • Patent number 10,962,926
    • Issue date Mar 30, 2021
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge
    • Patent number 10,955,795
    • Issue date Mar 23, 2021
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge, process cartridge, and image forming apparatus
    • Patent number 10,935,926
    • Issue date Mar 2, 2021
    • Canon Kabushiki Kaisha
    • Toshiaki Takeuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge
    • Patent number 10,935,927
    • Issue date Mar 2, 2021
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Remanufacturing method for developing apparatus and cartridge
    • Patent number 10,928,751
    • Issue date Feb 23, 2021
    • Canon Kabushiki Kaisha
    • Yu Akiba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge
    • Patent number 10,884,374
    • Issue date Jan 5, 2021
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process cartridge for image forming apparatus
    • Patent number D907111
    • Issue date Jan 5, 2021
    • Canon Kabushiki Kaisha
    • Yuuki Nakamura
    • D18 - Printing and office machinery
  • Information Patent Grant

    Process cartridge for image forming apparatus
    • Patent number D907112
    • Issue date Jan 5, 2021
    • Canon Kabushiki Kaisha
    • Toshiaki Takeuchi
    • D18 - Printing and office machinery
  • Information Patent Grant

    Cartridge and image forming apparatus
    • Patent number 10,831,150
    • Issue date Nov 10, 2020
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge
    • Patent number 10,761,479
    • Issue date Sep 1, 2020
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cartridge and image forming apparatus
    • Patent number 10,739,721
    • Issue date Aug 11, 2020
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...
    • Publication number 20240345536
    • Publication date Oct 17, 2024
    • Canon Kabushiki Kaisha
    • Toshiaki TAKEUCHI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...
    • Publication number 20230418212
    • Publication date Dec 28, 2023
    • Canon Kabushiki Kaisha
    • Toshiaki Takeuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE, TONER CARTRIDGE, AND IMAGE FORMING APPARATUS
    • Publication number 20230418221
    • Publication date Dec 28, 2023
    • Canon Kabushiki Kaisha
    • YOSUKE KASHIIDE
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE AND IMAGE FORMING APPARATUS
    • Publication number 20230244181
    • Publication date Aug 3, 2023
    • Canon Kabushiki Kaisha
    • Hideki Kakuta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...
    • Publication number 20230025390
    • Publication date Jan 26, 2023
    • Canon Kabushiki Kaisha
    • Toshiaki Takeuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE
    • Publication number 20220236691
    • Publication date Jul 28, 2022
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE AND IMAGE FORMING APPARATUS
    • Publication number 20220171328
    • Publication date Jun 2, 2022
    • Canon Kabushiki Kaisha
    • Hideki Kakuta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE INCLUDING AN IMAGE BEARING MEMBER AND DEVELOPER BEARING M...
    • Publication number 20210341875
    • Publication date Nov 4, 2021
    • Canon Kabushiki Kaisha
    • Toshiaki Takeuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING UNIT AND IMAGE FORMING APPARATUS
    • Publication number 20210080862
    • Publication date Mar 18, 2021
    • Canon Kabushiki Kaisha
    • Yohei Kusano
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE AND IMAGE FORMING APPARATUS
    • Publication number 20210080898
    • Publication date Mar 18, 2021
    • Canon Kabushiki Kaisha
    • Toshiaki Takeuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE
    • Publication number 20210041829
    • Publication date Feb 11, 2021
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND CLEANING APPARATUS
    • Publication number 20200363768
    • Publication date Nov 19, 2020
    • Canon Kabushiki Kaisha
    • Kazunori Hashimoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE AND IMAGE FORMING APPARATUS
    • Publication number 20200333744
    • Publication date Oct 22, 2020
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE
    • Publication number 20200241468
    • Publication date Jul 30, 2020
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE
    • Publication number 20200201245
    • Publication date Jun 25, 2020
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE
    • Publication number 20200201248
    • Publication date Jun 25, 2020
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE
    • Publication number 20200201246
    • Publication date Jun 25, 2020
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE
    • Publication number 20200201247
    • Publication date Jun 25, 2020
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE
    • Publication number 20200201249
    • Publication date Jun 25, 2020
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
    • Publication number 20200174422
    • Publication date Jun 4, 2020
    • Canon Kabushiki Kaisha
    • Toshiaki Takeuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE AND IMAGE FORMING APPARATUS
    • Publication number 20200150582
    • Publication date May 14, 2020
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE REMANUFACTURING METHOD AND CARTRIDGE
    • Publication number 20200073286
    • Publication date Mar 5, 2020
    • Canon Kabushiki Kaisha
    • Toshiaki Takeuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    REMANUFACTURING METHOD FOR DEVELOPING APPARATUS AND CARTRIDGE
    • Publication number 20200073287
    • Publication date Mar 5, 2020
    • Canon Kabushiki Kaisha
    • Yu Akiba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE AND IMAGE FORMING APPARATUS
    • Publication number 20200050143
    • Publication date Feb 13, 2020
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
    • Publication number 20190204779
    • Publication date Jul 4, 2019
    • Canon Kabushiki Kaisha
    • Toshiaki Takeuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE AND IMAGE FORMING APPARATUS
    • Publication number 20190179256
    • Publication date Jun 13, 2019
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE AND IMAGE FORMING APPARATUS
    • Publication number 20180348700
    • Publication date Dec 6, 2018
    • Canon Kabushiki Kaisha
    • Akinobu Hirayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS MAIN BODY AND IMAGE FORMING SYSTEM
    • Publication number 20180275601
    • Publication date Sep 27, 2018
    • Canon Kabushiki Kaisha
    • Daisuke Makiguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20180231933
    • Publication date Aug 16, 2018
    • Canon Kabushiki Kaisha
    • Toshiaki Takeuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CLEANING APPARATUS AND PROCESS CARTRIDGE
    • Publication number 20180120754
    • Publication date May 3, 2018
    • Canon Kabushiki Kaisha
    • Toshiaki Takeuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY