TREA

Shohei Okumura

Follow

Person

  • Tokyo, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Image forming apparatus with charge and development bias controllin...
    • Patent number 12,044,984
    • Issue date Jul 23, 2024
    • Canon Kabushiki Kaisha
    • Shinya Suzuki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus for forming images on sheets by using toner
    • Patent number 11,960,219
    • Issue date Apr 16, 2024
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus with a laser power correcting feature
    • Patent number 11,934,131
    • Issue date Mar 19, 2024
    • Canon Kabushiki Kaisha
    • Masahiro Tsujibayashi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 11,733,631
    • Issue date Aug 22, 2023
    • Canon Kabushiki Kaisha
    • Kimiaki Yamaguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus using developer containing toner particle a...
    • Patent number 11,086,254
    • Issue date Aug 10, 2021
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 10,908,538
    • Issue date Feb 2, 2021
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 10,578,995
    • Issue date Mar 3, 2020
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 10,331,067
    • Issue date Jun 25, 2019
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 10,197,953
    • Issue date Feb 5, 2019
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 9,996,038
    • Issue date Jun 12, 2018
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Development device
    • Patent number 9,098,011
    • Issue date Aug 4, 2015
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    IMAGE FORMING APPARATUS FOR FORMING IMAGES ON SHEETS BY USING TONER
    • Publication number 20230145679
    • Publication date May 11, 2023
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230125186
    • Publication date Apr 27, 2023
    • Canon Kabushiki Kaisha
    • Shinya Suzuki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230128451
    • Publication date Apr 27, 2023
    • Canon Kabushiki Kaisha
    • Masahiro Tsujibayashi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230113467
    • Publication date Apr 13, 2023
    • Canon Kabushiki Kaisha
    • Shinya Suzuki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230025235
    • Publication date Jan 26, 2023
    • Canon Kabushiki Kaisha
    • Kimiaki Yamaguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20200285174
    • Publication date Sep 10, 2020
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20200159159
    • Publication date May 21, 2020
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20190265615
    • Publication date Aug 29, 2019
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20190146390
    • Publication date May 16, 2019
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20190004456
    • Publication date Jan 3, 2019
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20180239286
    • Publication date Aug 23, 2018
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20170364012
    • Publication date Dec 21, 2017
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20170351202
    • Publication date Dec 7, 2017
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    DEVELOPMENT DEVICE
    • Publication number 20120189357
    • Publication date Jul 26, 2012
    • Canon Kabushiki Kaisha
    • Shohei Okumura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY