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Hidekazu Fumita

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toner, external additive for toner, and fine particle
    • Patent number 12,210,317
    • Issue date Jan 28, 2025
    • Canon Kabushiki Kaisha
    • Sara Yoshida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Toner
    • Patent number 11,960,242
    • Issue date Apr 16, 2024
    • Canon Kabushiki Kaisha
    • Kentaro Yamawaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 11,841,681
    • Issue date Dec 12, 2023
    • Canon Kabushiki Kaisha
    • Taiji Katsura
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Toner
    • Patent number 11,294,296
    • Issue date Apr 5, 2022
    • Canon Kabushiki Kaisha
    • Hidekazu Fumita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 11,112,712
    • Issue date Sep 7, 2021
    • Canon Kabushiki Kaisha
    • Tomonori Matsunaga
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 10,809,639
    • Issue date Oct 20, 2020
    • Canon Kabushiki Kaisha
    • Kentaro Yamawaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 10,635,011
    • Issue date Apr 28, 2020
    • Canon Kabushiki Kaisha
    • Noriyoshi Umeda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 10,054,866
    • Issue date Aug 21, 2018
    • Canon Kabushiki Kaisha
    • Masatake Tanaka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and toner production method
    • Patent number 9,366,981
    • Issue date Jun 14, 2016
    • Canon Kabushiki Kaisha
    • Kentaro Yamawaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 8,940,467
    • Issue date Jan 27, 2015
    • Canon Kabushiki Kaisha
    • Yasuhiro Hashimoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 8,916,319
    • Issue date Dec 23, 2014
    • Canon Kabushiki Kaisha
    • Naotaka Ikeda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Filter cloth traveling type belt filter and production method of to...
    • Patent number 8,545,133
    • Issue date Oct 1, 2013
    • Canon Kabushiki Kaisha
    • Hidekazu Fumita
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process for producing toner particles
    • Patent number 7,611,816
    • Issue date Nov 3, 2009
    • Canon Kabushiki Kaisha
    • Yoshinori Tuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process for producing toner particles
    • Patent number 6,951,704
    • Issue date Oct 4, 2005
    • Canon Kabushiki Kaisha
    • Yoshinori Tsuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process for producing toner particles, and toner
    • Patent number 6,835,521
    • Issue date Dec 28, 2004
    • Canon Kabushiki Kaisha
    • Yoshinori Tsuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process and system for producing toner particles
    • Patent number 6,627,374
    • Issue date Sep 30, 2003
    • Canon Kabushiki Kaisha
    • Hidekazu Fumita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    TONER
    • Publication number 20220121133
    • Publication date Apr 21, 2022
    • Canon Kabushiki Kaisha
    • Kentaro Yamawaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER, EXTERNAL ADDITIVE FOR TONER, AND FINE PARTICLE
    • Publication number 20220121132
    • Publication date Apr 21, 2022
    • Canon Kabushiki Kaisha
    • Sara Yoshida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    TONER
    • Publication number 20210397110
    • Publication date Dec 23, 2021
    • Canon Kabushiki Kaisha
    • Taiji Katsura
    • B82 - NANO-TECHNOLOGY
  • Information Patent Application

    TONER
    • Publication number 20210003934
    • Publication date Jan 7, 2021
    • Canon Kabushiki Kaisha
    • Hidekazu Fumita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20200292955
    • Publication date Sep 17, 2020
    • Canon Kabushiki Kaisha
    • Tomonori Matsunaga
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20200142329
    • Publication date May 7, 2020
    • Canon Kabushiki Kaisha
    • Kentaro Yamawaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
    • Publication number 20190369529
    • Publication date Dec 5, 2019
    • Canon Kabushiki Kaisha
    • Yasutaka Yagi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20190332024
    • Publication date Oct 31, 2019
    • Canon Kabushiki Kaisha
    • Noriyoshi Umeda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20170299972
    • Publication date Oct 19, 2017
    • Canon Kabushiki Kaisha
    • Masatake Tanaka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND TONER PRODUCTION METHOD
    • Publication number 20150004535
    • Publication date Jan 1, 2015
    • Canon Kabushiki Kaisha
    • Kentaro Yamawaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20130244165
    • Publication date Sep 19, 2013
    • Canon Kabushiki Kaisha
    • Yasuhiro Hashimoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20130224647
    • Publication date Aug 29, 2013
    • Canon Kabushiki Kaisha
    • Naotaka Ikeda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    FILTER CLOTH TRAVELING TYPE BELT FILTER AND PRODUCTION METHOD OF TO...
    • Publication number 20090226840
    • Publication date Sep 10, 2009
    • Canon Kabushiki Kaisha
    • Hidekazu Fumita
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PROCESS FOR PRODUCING TONER PARTICLES
    • Publication number 20080241730
    • Publication date Oct 2, 2008
    • Canon Kabushiki Kaisha
    • Yoshinori Tuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Process for producing toner particles, and toner
    • Publication number 20040259018
    • Publication date Dec 23, 2004
    • Canon Kabushiki Kaisha
    • Yoshinori Tsuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Process for producing toner particles
    • Publication number 20040096767
    • Publication date May 20, 2004
    • Yoshinori Tsuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Process for producing toner particles, and toner
    • Publication number 20030224276
    • Publication date Dec 4, 2003
    • Yoshinori Tsuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Process and system for producing toner particles
    • Publication number 20020031714
    • Publication date Mar 14, 2002
    • Hidekazu Fumita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY