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Hiroki Akiyama

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Patents Grantslast 30 patents

  • 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-...
  • Information Patent Grant

    Toner
    • Patent number 10,942,463
    • Issue date Mar 9, 2021
    • Canon Kabushiki Kaisha
    • Daisuke Yoshiba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    External additive, method for manufacturing external additive, and...
    • Patent number 10,768,540
    • Issue date Sep 8, 2020
    • Canon Kabushiki Kaisha
    • Shuntaro Watanabe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    External toner additive, method for producing external toner additi...
    • Patent number 10,747,134
    • Issue date Aug 18, 2020
    • Canon Kabushiki Kaisha
    • Shuntaro Watanabe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 10,162,280
    • Issue date Dec 25, 2018
    • Canon Kabushiki Kaisha
    • Kouji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and external additive for toner
    • Patent number 10,101,683
    • Issue date Oct 16, 2018
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 9,829,818
    • Issue date Nov 28, 2017
    • Canon Kabushiki Kaisha
    • Daisuke Yoshiba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and method for manufacturing toner
    • Patent number 9,606,462
    • Issue date Mar 28, 2017
    • Canon Kabushiki Kaisha
    • Shotaro Nomura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process cartridge and image forming method using toner having prope...
    • Patent number 9,575,461
    • Issue date Feb 21, 2017
    • Canon Kabushiki Kaisha
    • Hiroki Akiyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 9,500,970
    • Issue date Nov 22, 2016
    • Canon Kabushiki Kaisha
    • Shotaro Nomura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner
    • Patent number 9,470,993
    • Issue date Oct 18, 2016
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 9,341,970
    • Issue date May 17, 2016
    • Canon Kabushiki Kaisha
    • Daisuke Yoshiba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 9,261,804
    • Issue date Feb 16, 2016
    • Canon Kabushiki Kaisha
    • Katsuhisa Yamazaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 9,250,548
    • Issue date Feb 2, 2016
    • Canon Kabushiki Kaisha
    • Shotaro Nomura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 9,201,323
    • Issue date Dec 1, 2015
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • 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
    • Publication number 20200081361
    • Publication date Mar 12, 2020
    • Canon Kabushiki Kaisha
    • Daisuke Yoshiba
    • 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-...
  • Information Patent Application

    EXTERNAL TONER ADDITIVE, METHOD FOR PRODUCING EXTERNAL TONER ADDITI...
    • Publication number 20190250528
    • Publication date Aug 15, 2019
    • Canon Kabushiki Kaisha
    • Shuntaro Watanabe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    EXTERNAL ADDITIVE, METHOD FOR MANUFACTURING EXTERNAL ADDITIVE, AND...
    • Publication number 20190250526
    • Publication date Aug 15, 2019
    • Canon Kabushiki Kaisha
    • Shuntaro Watanabe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND EXTERNAL ADDITIVE FOR TONER
    • Publication number 20160202624
    • Publication date Jul 14, 2016
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20160179024
    • Publication date Jun 23, 2016
    • Canon Kabushiki Kaisha
    • Kouji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC TONER
    • Publication number 20160161874
    • Publication date Jun 9, 2016
    • Canon Kabushiki Kaisha
    • Katsuhisa Yamazaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20160139522
    • Publication date May 19, 2016
    • Canon Kabushiki Kaisha
    • Daisuke Yoshiba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20160091813
    • Publication date Mar 31, 2016
    • Canon Kabushiki Kaisha
    • Daisuke Yoshiba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE AND IMAGE FORMING METHOD
    • Publication number 20160041520
    • Publication date Feb 11, 2016
    • Canon Kabushiki Kaisha
    • Hiroki Akiyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND METHOD FOR MANUFACTURING TONER
    • Publication number 20160041481
    • Publication date Feb 11, 2016
    • Canon Kabushiki Kaisha
    • Shotaro Nomura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC TONER
    • Publication number 20160041483
    • Publication date Feb 11, 2016
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20150037721
    • Publication date Feb 5, 2015
    • Canon Kabushiki Kaisha
    • Shotaro Nomura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20150037729
    • Publication date Feb 5, 2015
    • Canon Kabushiki Kaisha
    • Daisuke Yoshiba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20150037722
    • Publication date Feb 5, 2015
    • Canon Kabushiki Kaisha
    • Katsuhisa Yamazaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20150037723
    • Publication date Feb 5, 2015
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20150037726
    • Publication date Feb 5, 2015
    • Canon Kabushiki Kaisha
    • Shotaro Nomura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY