Akifumi Matsubara

Person

  • Narashino-shi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid developer

    • Patent number 11,624,987
    • Issue date Apr 11, 2023
    • Canon Kabushiki Kaisha
    • Yuzo Tokunaga
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method for producing printed matter

    • Patent number 11,209,756
    • Issue date Dec 28, 2021
    • Canon Kabushiki Kaisha
    • Yuya Chimoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Liquid developer and method of producing liquid developer

    • Patent number 11,181,848
    • Issue date Nov 23, 2021
    • Canon Kabushiki Kaisha
    • Kouichirou Ochi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrophotographic photosensitive member, process cartridge, and e...

    • Patent number 11,112,707
    • Issue date Sep 7, 2021
    • Canon Kabushiki Kaisha
    • Koji Takahashi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 10,620,556
    • Issue date Apr 14, 2020
    • Canon Kabushiki Kaisha
    • Nozomu Komatsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 10,474,049
    • Issue date Nov 12, 2019
    • Canon Kabushiki Kaisha
    • Yuto Onozaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 10,451,986
    • Issue date Oct 22, 2019
    • Canon Kabushiki Kaisha
    • Hitoshi Sano
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 10,401,748
    • Issue date Sep 3, 2019
    • Canon Kabushiki Kaisha
    • Takeshi Hashimoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Toner

    • Patent number 10,175,595
    • Issue date Jan 8, 2019
    • Canon Kabushiki Kaisha
    • Yuto Onozaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Toner and method of producing toner

    • Patent number 10,146,146
    • Issue date Dec 4, 2018
    • Canon Kabushiki Kaisha
    • Nozomu Komatsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magenta toner

    • Patent number 10,036,970
    • Issue date Jul 31, 2018
    • Canon Kabushiki Kaisha
    • Ichiro Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    LIQUID DEVELOPER

    • Publication number 20210080848
    • Publication date Mar 18, 2021
    • Canon Kabushiki Kaisha
    • Naohiko Tsuchida
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    METHOD FOR PRODUCING PRINTED MATTER

    • Publication number 20210063921
    • Publication date Mar 4, 2021
    • Canon Kabushiki Kaisha
    • Yuya Chimoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIQUID DEVELOPER

    • Publication number 20200409284
    • Publication date Dec 31, 2020
    • Canon Kabushiki Kaisha
    • Akifumi Matsubara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIQUID DEVELOPER

    • Publication number 20200409285
    • Publication date Dec 31, 2020
    • Canon Kabushiki Kaisha
    • Yuzo Tokunaga
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIQUID DEVELOPER AND METHOD OF PRODUCING LIQUID DEVELOPER

    • Publication number 20200272068
    • Publication date Aug 27, 2020
    • Canon Kabushiki Kaisha
    • Kouichirou Ochi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...

    • Publication number 20200241434
    • Publication date Jul 30, 2020
    • Canon Kabushiki Kaisha
    • Koji Takahashi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20190219939
    • Publication date Jul 18, 2019
    • Canon Kabushiki Kaisha
    • Yuto Onozaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20190107791
    • Publication date Apr 11, 2019
    • Canon Kabushiki Kaisha
    • Nozomu Komatsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CURABLE LIQUID DEVELOPER AND METHOD FOR PRODUCING CURABLE LIQUID DE...

    • Publication number 20180348658
    • Publication date Dec 6, 2018
    • Canon Kabushiki Kaisha
    • Naohiko Tsuchida
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CURABLE LIQUID DEVELOPER AND METHOD FOR MANUFACTURING CURABLE LIQUI...

    • Publication number 20180329333
    • Publication date Nov 15, 2018
    • Canon Kabushiki Kaisha
    • Yuzo Tokunaga
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CURABLE LIQUID DEVELOPER

    • Publication number 20180321607
    • Publication date Nov 8, 2018
    • Canon Kabushiki Kaisha
    • Akifumi Matsubara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND TONER MANUFACTURING METHOD

    • Publication number 20180314176
    • Publication date Nov 1, 2018
    • Canon Kabushiki Kaisha
    • Megumi Ikeda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGENTA TONER

    • Publication number 20180307153
    • Publication date Oct 25, 2018
    • Canon Kabushiki Kaisha
    • Ichiro Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20180259867
    • Publication date Sep 13, 2018
    • Canon Kabushiki Kaisha
    • HITOSHI SANO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20180149990
    • Publication date May 31, 2018
    • Canon Kabushiki Kaisha
    • Yuto Onozaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    MAGENTA TONER

    • Publication number 20170357168
    • Publication date Dec 14, 2017
    • Canon Kabushiki Kaisha
    • Ichiro Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20170343911
    • Publication date Nov 30, 2017
    • Canon Kabushiki Kaisha
    • Takeshi Hashimoto
    • G01 - MEASURING TESTING
  • Information Patent Application

    TONER AND METHOD OF PRODUCING TONER

    • Publication number 20170315461
    • Publication date Nov 2, 2017
    • Canon Kabushiki Kaisha
    • Nozomu Komatsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20170315463
    • Publication date Nov 2, 2017
    • Canon Kabushiki Kaisha
    • Yuto Onozaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY