Tomofumi Kawamura

Person

  • Suntou-gun, JP

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    TONER CARTRIDGE AND IMAGE FORMING APPARATUS

    • Publication number 20230367239
    • Publication date Nov 16, 2023
    • Canon Kabushiki Kaisha
    • Naoya Asanuma
    • 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

    TONER CARTRIDGE AND IMAGE FORMING APPARATUS

    • Publication number 20220404739
    • Publication date Dec 22, 2022
    • Canon Kabushiki Kaisha
    • Tomofumi Kawamura
    • 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

    TONER CARTRIDGE AND IMAGE FORMING APPARATUS

    • Publication number 20220050404
    • Publication date Feb 17, 2022
    • Canon Kabushiki Kaisha
    • Naoya Asanuma
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER CARTRIDGE AND IMAGE FORMING APPARATUS

    • Publication number 20210373460
    • Publication date Dec 2, 2021
    • Canon Kabushiki Kaisha
    • Tomofumi Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE AND REMANUFACTURING METHOD OF CARTRIDGE

    • Publication number 20210173339
    • Publication date Jun 10, 2021
    • Canon Kabushiki Kaisha
    • Hiroki Shimizu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER TRANSPORT APPARATUS

    • Publication number 20210149324
    • Publication date May 20, 2021
    • Canon Kabushiki Kaisha
    • Tomofumi Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE AND REMANUFACTURING METHOD OF CARTRIDGE

    • Publication number 20200285191
    • Publication date Sep 10, 2020
    • Canon Kabushiki Kaisha
    • Hiroki Shimizu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE REPRODUCTION METHOD AND CARTRIDGE

    • Publication number 20200285192
    • Publication date Sep 10, 2020
    • Canon Kabushiki Kaisha
    • Tomofumi Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS

    • Publication number 20200133198
    • Publication date Apr 30, 2020
    • Canon Kabushiki Kaisha
    • Koji Miwa
    • 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

    IMAGE FORMING APPARATUS

    • Publication number 20200012229
    • Publication date Jan 9, 2020
    • Canon Kabushiki Kaisha
    • Shoichi Zensai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS

    • Publication number 20190094796
    • Publication date Mar 28, 2019
    • Canon Kabushiki Kaisha
    • Tomofumi Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS INCLUDING A PRESSING MEMBER CONFIGURED TO P...

    • Publication number 20180348696
    • Publication date Dec 6, 2018
    • Canon Kabushiki Kaisha
    • Tomofumi Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS

    • Publication number 20180292781
    • Publication date Oct 11, 2018
    • Canon Kabushiki Kaisha
    • Tomofumi Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS

    • Publication number 20180164739
    • Publication date Jun 14, 2018
    • Canon Kabushiki Kaisha
    • Shoichi Zensai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS

    • Publication number 20180120758
    • Publication date May 3, 2018
    • Canon Kabushiki Kaisha
    • Shoichi Zensai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS

    • Publication number 20180120763
    • Publication date May 3, 2018
    • Canon Kabushiki Kaisha
    • Hiroki Takano
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS

    • Publication number 20170261918
    • Publication date Sep 14, 2017
    • Canon Kabushiki Kaisha
    • Shoichi Zensai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS

    • Publication number 20170261921
    • Publication date Sep 14, 2017
    • Canon Kabushiki Kaisha
    • Tomofumi Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS

    • Publication number 20170261920
    • Publication date Sep 14, 2017
    • Canon Kabushiki Kaisha
    • Tomofumi Kawamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CARTRIDGE, DEVELOPING CARTRIDGE, PROCESS CARTRIDGE AND IMAGE FORMIN...

    • Publication number 20140212181
    • Publication date Jul 31, 2014
    • Canon Kabushiki Kaisha
    • Yuuki Nakamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY