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Hiroyuki Fujikawa

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  • Yokohama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toner
    • Patent number 11,131,939
    • Issue date Sep 28, 2021
    • Canon Kabushiki Kaisha
    • Masayuki Hama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic carrier and two-component developer
    • Patent number 10,955,765
    • Issue date Mar 23, 2021
    • Canon Kabushiki Kaisha
    • Yuto Onozaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • 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 10,599,060
    • Issue date Mar 24, 2020
    • Canon Kabushiki Kaisha
    • Ichiro Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 10,564,560
    • Issue date Feb 18, 2020
    • Canon Kabushiki Kaisha
    • Yuto Onozaki
    • 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 10,423,086
    • Issue date Sep 24, 2019
    • Canon Kabushiki Kaisha
    • Masayuki Hama
    • 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 10,274,851
    • Issue date Apr 30, 2019
    • Canon Kabushiki Kaisha
    • Takeshi Hashimoto
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Toner
    • Patent number 10,197,936
    • Issue date Feb 5, 2019
    • Canon Kabushiki Kaisha
    • Yuto Onozaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • 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

    Developer supply kit, developer supplying device and image forming...
    • Patent number 10,088,773
    • Issue date Oct 2, 2018
    • Canon Kabushiki Kaisha
    • Masato Yamaoka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 10,082,743
    • Issue date Sep 25, 2018
    • Canon Kabushiki Kaisha
    • Masayuki Hama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and method for manufacturing toner
    • Patent number 10,048,610
    • Issue date Aug 14, 2018
    • Canon Kabushiki Kaisha
    • Ichiro Kanno
    • 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
  • Information Patent Grant

    Developer supply kit, developer supplying device and image forming...
    • Patent number 9,720,349
    • Issue date Aug 1, 2017
    • Canon Kabushiki Kaisha
    • Masato Yamaoka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and two-component developer
    • Patent number 9,665,026
    • Issue date May 30, 2017
    • Canon Kabushiki Kaisha
    • Yosuke Iwasaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 9,651,883
    • Issue date May 16, 2017
    • Canon Kabushiki Kaisha
    • Masayuki Hama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 9,594,323
    • Issue date Mar 14, 2017
    • Canon Kabushiki Kaisha
    • Hiroyuki Fujikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and two-component developer
    • Patent number 9,436,112
    • Issue date Sep 6, 2016
    • Canon Kabushiki Kaisha
    • Yosuke Iwasaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and two-component developer
    • Patent number 9,417,540
    • Issue date Aug 16, 2016
    • Canon Kabushiki Kaisha
    • Takeshi Hashimoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image-forming method
    • Patent number 9,348,253
    • Issue date May 24, 2016
    • Canon Kabushiki Kaisha
    • Ichiro Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 9,256,148
    • Issue date Feb 9, 2016
    • Canon Kabushiki Kaisha
    • Hiroyuki Fujikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developer replenishing cartridge and developer replenishing method
    • Patent number 9,152,088
    • Issue date Oct 6, 2015
    • Canon Kabushiki Kaisha
    • Takakuni Kobori
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 9,034,549
    • Issue date May 19, 2015
    • Canon Kabushiki Kaisha
    • Yoshiaki Shiotari
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 8,986,914
    • Issue date Mar 24, 2015
    • Canon Kabushiki Kaisha
    • Hiroyuki Fujikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner, binary developer, and image forming method
    • Patent number 8,455,167
    • Issue date Jun 4, 2013
    • Canon Kabushiki Kaisha
    • Yoshiaki Shiotari
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and two-component developer
    • Patent number 8,288,069
    • Issue date Oct 16, 2012
    • Canon Kabushiki Kaisha
    • Hiroyuki Fujikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    MAGNETIC CARRIER AND TWO-COMPONENT DEVELOPER
    • Publication number 20200166862
    • Publication date May 28, 2020
    • Canon Kabushiki Kaisha
    • Yuto Onozaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    TONER
    • Publication number 20200073263
    • Publication date Mar 5, 2020
    • Canon Kabushiki Kaisha
    • Masayuki Hama
    • 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 20190171125
    • Publication date Jun 6, 2019
    • Canon Kabushiki Kaisha
    • Ichiro Kanno
    • 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

    DEVELOPER SUPPLY KIT, DEVELOPER SUPPLYING DEVICE AND IMAGE FORMING...
    • Publication number 20190018340
    • Publication date Jan 17, 2019
    • Canon Kabushiki Kaisha
    • Masato Yamaoka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    DEVELOPER SUPPLY KIT, DEVELOPER SUPPLYING DEVICE AND IMAGE FORMING...
    • Publication number 20190018341
    • Publication date Jan 17, 2019
    • Canon Kabushiki Kaisha
    • Masato Yamaoka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20180364601
    • Publication date Dec 20, 2018
    • Canon Kabushiki Kaisha
    • Yuto Onozaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20180356746
    • Publication date Dec 13, 2018
    • Canon Kabushiki Kaisha
    • Masayuki Hama
    • 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 20180246431
    • Publication date Aug 30, 2018
    • Canon Kabushiki Kaisha
    • Takeshi Hashimoto
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    TONER
    • Publication number 20180246434
    • Publication date Aug 30, 2018
    • Canon Kabushiki Kaisha
    • Ichiro Kanno
    • C07 - ORGANIC CHEMISTRY
  • 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

    TONER
    • Publication number 20180149992
    • Publication date May 31, 2018
    • Canon Kabushiki Kaisha
    • Yuto Onozaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • 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
  • Information Patent Application

    DEVELOPER SUPPLY KIT, DEVELOPER SUPPLYING DEVICE AND IMAGE FORMING...
    • Publication number 20170307999
    • Publication date Oct 26, 2017
    • Canon Kabushiki Kaisha
    • Masato Yamaoka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND METHOD FOR MANUFACTURING TONER
    • Publication number 20170176880
    • Publication date Jun 22, 2017
    • Canon Kabushiki Kaisha
    • Ichiro Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20160363878
    • Publication date Dec 15, 2016
    • Canon Kabushiki Kaisha
    • Masayuki Hama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20160363877
    • Publication date Dec 15, 2016
    • Canon Kabushiki Kaisha
    • Masayuki Hama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND TWO-COMPONENT DEVELOPER
    • Publication number 20160334728
    • Publication date Nov 17, 2016
    • Canon Kabushiki Kaisha
    • Yosuke Iwasaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20160139523
    • Publication date May 19, 2016
    • Canon Kabushiki Kaisha
    • Hiroyuki Fujikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20160109820
    • Publication date Apr 21, 2016
    • Canon Kabushiki Kaisha
    • Takeshi Hashimoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE-FORMING METHOD
    • Publication number 20160103401
    • Publication date Apr 14, 2016
    • Canon Kabushiki Kaisha
    • Ichiro Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    DEVELOPER SUPPLY CARTRIDGE
    • Publication number 20160091824
    • Publication date Mar 31, 2016
    • Canon Kabushiki Kaisha
    • Takakuni Kobori
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    DEVELOPER SUPPLY KIT, DEVELOPER SUPPLYING DEVICE AND IMAGE FORMING...
    • Publication number 20160011540
    • Publication date Jan 14, 2016
    • Canon Kabushiki Kaisha
    • Masato Yamaoka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY