Taiji Katsura

Person

  • Suntou-gun, JP

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

    Developing device, cleaning method, process cartridge and electroph...

    • Patent number 12,147,172
    • Issue date Nov 19, 2024
    • Canon Kabushiki Kaisha
    • Ryo Sugiyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • 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

    Electrophotographic apparatus and process cartridge

    • Patent number 11,573,519
    • Issue date Feb 7, 2023
    • Canon Kabushiki Kaisha
    • Hidekazu Fumita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 11,249,408
    • Issue date Feb 15, 2022
    • Canon Kabushiki Kaisha
    • Shohei Tsuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 11,169,460
    • Issue date Nov 9, 2021
    • Canon Kabushiki Kaisha
    • Shohei Kototani
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 11,003,104
    • Issue date May 11, 2021
    • Canon Kabushiki Kaisha
    • Taiji Katsura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and toner manufacturing method

    • Patent number 11,003,105
    • Issue date May 11, 2021
    • Canon Kabushiki Kaisha
    • Masamichi Sato
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 10,976,679
    • Issue date Apr 13, 2021
    • Canon Kabushiki Kaisha
    • Masatake Tanaka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner with an external additive of an organosilicon polymer particl...

    • Patent number 10,942,466
    • Issue date Mar 9, 2021
    • Canon Kabushiki Kaisha
    • Tsuneyoshi Tominaga
    • 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 and image forming method

    • Patent number 10,409,186
    • Issue date Sep 10, 2019
    • Canon Kabushiki Kaisha
    • Yojiro Hotta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 10,114,303
    • Issue date Oct 30, 2018
    • Canon Kabushiki Kaisha
    • Taiji Katsura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 9,720,340
    • Issue date Aug 1, 2017
    • Canon Kabushiki Kaisha
    • Tsuneyoshi Tominaga
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 9,645,518
    • Issue date May 9, 2017
    • Canon Kabushiki Kaisha
    • Koji Abe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 9,632,441
    • Issue date Apr 25, 2017
    • Canon Kabushiki Kaisha
    • Koji Abe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 9,563,142
    • Issue date Feb 7, 2017
    • Canon Kabushiki Kaisha
    • Koji Abe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 9,494,887
    • Issue date Nov 15, 2016
    • Canon Kabushiki Kaisha
    • Koji Abe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and method for producing toner

    • Patent number 9,023,575
    • Issue date May 5, 2015
    • Canon Kabushiki Kaisha
    • Taiji Katsura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner

    • Patent number 9,005,865
    • Issue date Apr 14, 2015
    • Canon Kabushiki Kaisha
    • Naotaka Ikeda
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Toner

    • Patent number 8,980,517
    • Issue date Mar 17, 2015
    • Canon Kabushiki Kaisha
    • Shintaro Kawaguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    DEVELOPING DEVICE, CLEANING METHOD, PROCESS CARTRIDGE AND ELECTROPH...

    • Publication number 20240111227
    • Publication date Apr 4, 2024
    • Canon Kabushiki Kaisha
    • RYO SUGIYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS

    • Publication number 20230333494
    • Publication date Oct 19, 2023
    • Canon Kabushiki Kaisha
    • KANAME WATARIGUCHI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS

    • Publication number 20230288867
    • Publication date Sep 14, 2023
    • Canon Kabushiki Kaisha
    • HIDEHARU SHIMOZAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS

    • Publication number 20230288826
    • Publication date Sep 14, 2023
    • Canon Kabushiki Kaisha
    • CHIHARU NAKAZONO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND TONER PRODUCTION METHOD

    • Publication number 20230273536
    • Publication date Aug 31, 2023
    • Canon Kabushiki Kaisha
    • SHINTARO KAWAGUCHI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER SET, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS

    • Publication number 20230273542
    • Publication date Aug 31, 2023
    • Canon Kabushiki Kaisha
    • DAI NOZAKI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND METHOD FOR PRODUCING TONER

    • Publication number 20230273541
    • Publication date Aug 31, 2023
    • Canon Kabushiki Kaisha
    • MASATAKE TANAKA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20230273539
    • Publication date Aug 31, 2023
    • Canon Kabushiki Kaisha
    • TAIJI KATSURA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20230273543
    • Publication date Aug 31, 2023
    • Canon Kabushiki Kaisha
    • MASATAKE TANAKA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND METHOD FOR PRODUCING TONER

    • Publication number 20230047510
    • Publication date Feb 16, 2023
    • Canon Kabushiki Kaisha
    • Shohei Tsuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND METHOD FOR PRODUCING TONER

    • Publication number 20230047560
    • Publication date Feb 16, 2023
    • Canon Kabushiki Kaisha
    • Tatsuya Saeki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ELECTROPHOTOGRAPHIC APPARATUS AND PROCESS CARTRIDGE

    • Publication number 20220334530
    • Publication date Oct 20, 2022
    • Canon Kabushiki Kaisha
    • Hidekazu Fumita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20220291601
    • Publication date Sep 15, 2022
    • Canon Kabushiki Kaisha
    • Taiji Katsura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • 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 20210003932
    • Publication date Jan 7, 2021
    • Canon Kabushiki Kaisha
    • Shohei Tsuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND TONER MANUFACTURING METHOD

    • Publication number 20200209767
    • Publication date Jul 2, 2020
    • Canon Kabushiki Kaisha
    • Masamichi Sato
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20200209773
    • Publication date Jul 2, 2020
    • Canon Kabushiki Kaisha
    • Tsuneyoshi Tominaga
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20200209775
    • Publication date Jul 2, 2020
    • Canon Kabushiki Kaisha
    • Masatake Tanaka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20200209776
    • Publication date Jul 2, 2020
    • Canon Kabushiki Kaisha
    • Shohei Kototani
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20200209774
    • Publication date Jul 2, 2020
    • Canon Kabushiki Kaisha
    • Taiji Katsura
    • 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 20180210361
    • Publication date Jul 26, 2018
    • Canon Kabushiki Kaisha
    • Taiji Katsura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING METHOD, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APP...

    • Publication number 20170060008
    • Publication date Mar 2, 2017
    • Canon Kabushiki Kaisha
    • Atsushi Okuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND IMAGE FORMING METHOD

    • Publication number 20160202621
    • Publication date Jul 14, 2016
    • Canon Kabushiki Kaisha
    • Yojiro Hotta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20150378274
    • Publication date Dec 31, 2015
    • Canon Kabushiki Kaisha
    • Koji Abe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20150331344
    • Publication date Nov 19, 2015
    • Canon Kabushiki Kaisha
    • Tsuneyoshi Tominaga
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20150248072
    • Publication date Sep 3, 2015
    • Canon Kabushiki Kaisha
    • Yasushi Katsuta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER

    • Publication number 20150248071
    • Publication date Sep 3, 2015
    • Canon Kabushiki Kaisha
    • Taiji Katsura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY