Koji Nishikawa

Person

  • Susono-shi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Toner

    • Patent number 11,934,147
    • Issue date Mar 19, 2024
    • Canon Kabushiki Kaisha
    • Yasuhiro Hashimoto
    • 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

    Electrophotographic developer set including toner and powder adhesi...

    • Patent number 11,592,757
    • Issue date Feb 28, 2023
    • Canon Kabushiki Kaisha
    • Shohei Yamashita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and method for producing toner

    • Patent number 11,360,404
    • Issue date Jun 14, 2022
    • Canon Kabushiki Kaisha
    • Takaaki Furui
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Toner

    • Patent number 11,092,905
    • Issue date Aug 17, 2021
    • Canon Kabushiki Kaisha
    • Kosuke Fukudome
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 11,003,103
    • Issue date May 11, 2021
    • Canon Kabushiki Kaisha
    • Tetsuya Kinumatsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 10,996,577
    • Issue date May 4, 2021
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 10,983,451
    • Issue date Apr 20, 2021
    • Canon Kabushiki Kaisha
    • Yasuhiro Hashimoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 10,983,450
    • Issue date Apr 20, 2021
    • Canon Kabushiki Kaisha
    • Shotaro Nomura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • 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

    Toner and method for producing toner

    • Patent number 10,845,722
    • Issue date Nov 24, 2020
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 10,747,135
    • Issue date Aug 18, 2020
    • Canon Kabushiki Kaisha
    • Yojiro Hotta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 10,488,777
    • Issue date Nov 26, 2019
    • Canon Kabushiki Kaisha
    • Kazuo Terauchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 10,303,075
    • Issue date May 28, 2019
    • Canon Kabushiki Kaisha
    • Keisuke Tanaka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 10,295,920
    • Issue date May 21, 2019
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 10,295,921
    • Issue date May 21, 2019
    • Canon Kabushiki Kaisha
    • Atsuhiko Ohmori
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 10,289,016
    • Issue date May 14, 2019
    • Canon Kabushiki Kaisha
    • Kosuke Fukudome
    • 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 and external additive for toner

    • Patent number 10,025,212
    • Issue date Jul 17, 2018
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 9,971,263
    • Issue date May 15, 2018
    • Canon Kabushiki Kaisha
    • Kosuke Fukudome
    • 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

    Magnetic toner

    • Patent number 9,772,570
    • Issue date Sep 26, 2017
    • Canon Kabushiki Kaisha
    • Shohei Tsuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 9,715,188
    • Issue date Jul 25, 2017
    • Canon Kabushiki Kaisha
    • Kazuo Terauchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process cartridge and image-forming method

    • Patent number 9,684,277
    • Issue date Jun 20, 2017
    • Canon Kabushiki Kaisha
    • Yuki Yamamoto
    • 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

    Magnetic toner

    • Patent number 9,588,450
    • Issue date Mar 7, 2017
    • Canon Kabushiki Kaisha
    • Shohei Tsuda
    • 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 9,575,425
    • Issue date Feb 21, 2017
    • Canon Kabushiki Kaisha
    • Takeshi Naka
    • 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

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTROPHOTOGRAPHIC DEVELOPER SET COMPRISING TONER AND POWDER ADHES...

    • Publication number 20220035262
    • Publication date Feb 3, 2022
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ELECTROPHOTOGRAPHIC DEVELOPER SET COMPRISING TONER AND POWDER ADHES...

    • Publication number 20220035261
    • Publication date Feb 3, 2022
    • Canon Kabushiki Kaisha
    • Tsutomu Shimano
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ELECTROPHOTOGRAPHIC DEVELOPER SET INCLUDING TONER AND POWDER ADHESI...

    • Publication number 20220035264
    • Publication date Feb 3, 2022
    • Canon Kabushiki Kaisha
    • Shohei Yamashita
    • 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

    TONER

    • Publication number 20210294238
    • Publication date Sep 23, 2021
    • Canon Kabushiki Kaisha
    • Yasuhiro Hashimoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20210286283
    • Publication date Sep 16, 2021
    • Canon Kabushiki Kaisha
    • Tomoya Nagaoka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20210286281
    • Publication date Sep 16, 2021
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND METHOD FOR PRODUCING TONER

    • Publication number 20200209768
    • Publication date Jul 2, 2020
    • Canon Kabushiki Kaisha
    • Takaaki Furui
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    TONER

    • Publication number 20200209770
    • Publication date Jul 2, 2020
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20200209771
    • Publication date Jul 2, 2020
    • Canon Kabushiki Kaisha
    • Yasuhiro Hashimoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20200209769
    • Publication date Jul 2, 2020
    • Canon Kabushiki Kaisha
    • Shotaro Nomura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND METHOD FOR PRODUCING TONER

    • Publication number 20200183296
    • Publication date Jun 11, 2020
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20200183293
    • Publication date Jun 11, 2020
    • Canon Kabushiki Kaisha
    • Tetsuya Kinumatsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20200183294
    • Publication date Jun 11, 2020
    • Canon Kabushiki Kaisha
    • Kosuke Fukudome
    • 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

    • Publication number 20190271928
    • Publication date Sep 5, 2019
    • Canon Kabushiki Kaisha
    • Yojiro Hotta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20190064686
    • Publication date Feb 28, 2019
    • Canon Kabushiki Kaisha
    • Kazuo Terauchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20180246432
    • Publication date Aug 30, 2018
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20180246430
    • Publication date Aug 30, 2018
    • Canon Kabushiki Kaisha
    • Keisuke Tanaka
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    TONER

    • Publication number 20180173126
    • Publication date Jun 21, 2018
    • Canon Kabushiki Kaisha
    • Atsuhiko Ohmori
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20180173125
    • Publication date Jun 21, 2018
    • Canon Kabushiki Kaisha
    • Kosuke Fukudome
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND EXTERNAL ADDITIVE FOR TONER

    • Publication number 20170212441
    • Publication date Jul 27, 2017
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20170199475
    • Publication date Jul 13, 2017
    • Canon Kabushiki Kaisha
    • Kosuke Fukudome
    • 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

    MAGNETIC TONER

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

    PROCESS CARTRIDGE AND IMAGE-FORMING METHOD

    • Publication number 20160139556
    • Publication date May 19, 2016
    • Canon Kabushiki Kaisha
    • Yuki Yamamoto
    • 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

    MAGNETIC TONER

    • Publication number 20160091809
    • Publication date Mar 31, 2016
    • Canon Kabushiki Kaisha
    • Shohei Tsuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20160070192
    • Publication date Mar 10, 2016
    • Canon Kabushiki Kaisha
    • Kazuo Terauchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY