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Koh Ishigami

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Patents Grantslast 30 patents

  • Information Patent Grant

    Toner
    • Patent number 12,099,326
    • Issue date Sep 24, 2024
    • Canon Kabushiki Kaisha
    • Shin Kitamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 11,720,036
    • Issue date Aug 8, 2023
    • Canon Kabushiki Kaisha
    • Takakuni Kobori
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Toner
    • Patent number 11,698,594
    • Issue date Jul 11, 2023
    • Canon Kabushiki Kaisha
    • Toru Takahashi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and method of producing toner
    • Patent number 11,429,032
    • Issue date Aug 30, 2022
    • Canon Kabushiki Kaisha
    • Takaho Shibata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 10,809,640
    • Issue date Oct 20, 2020
    • Canon Kabushiki Kaisha
    • Yosuke Iwasaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 10,775,710
    • Issue date Sep 15, 2020
    • Canon Kabushiki Kaisha
    • Kentaro Kamae
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 10,642,178
    • Issue date May 5, 2020
    • Canon Kabushiki Kaisha
    • Daisuke Yamashita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Magenta toner and toner kit
    • Patent number 10,423,090
    • Issue date Sep 24, 2019
    • Canon Kabushiki Kaisha
    • Takeshi Ohtsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and method for manufacturing toner
    • Patent number 10,234,777
    • Issue date Mar 19, 2019
    • Canon Kabushiki Kaisha
    • Takeshi Ohtsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner production method and polymer
    • Patent number 10,216,108
    • Issue date Feb 26, 2019
    • Canon Kabushiki Kaisha
    • Yosuke Iwasaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 10,133,201
    • Issue date Nov 20, 2018
    • Canon Kabushiki Kaisha
    • Kentaro Kamae
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and method for producing toner
    • Patent number 10,012,918
    • Issue date Jul 3, 2018
    • Canon Kabushiki Kaisha
    • Koh Ishigami
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 10,012,921
    • Issue date Jul 3, 2018
    • Canon Kabushiki Kaisha
    • Kentaro Kamae
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Wax dispersant for toner and toner
    • Patent number 9,969,834
    • Issue date May 15, 2018
    • Canon Kabushiki Kaisha
    • Takeshi Ohtsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 9,915,885
    • Issue date Mar 13, 2018
    • Canon Kabushiki Kaisha
    • Wakiko Katsumata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic carrier and two-component developer
    • Patent number 9,811,019
    • Issue date Nov 7, 2017
    • Canon Kabushiki Kaisha
    • Kentaro Kamae
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and two-component developer
    • Patent number 9,665,023
    • Issue date May 30, 2017
    • Canon Kabushiki Kaisha
    • Kentaro Kamae
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic carrier and two-component developer
    • Patent number 9,063,443
    • Issue date Jun 23, 2015
    • Canon Kabushiki Kaisha
    • Koh Ishigami
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic carrier and two-component developer
    • Patent number 9,058,924
    • Issue date Jun 16, 2015
    • Canon Kabushiki Kaisha
    • Nozomu Komatsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Two-component developer
    • Patent number 9,034,551
    • Issue date May 19, 2015
    • Canon Kabushiki Kaisha
    • Tomoko Endo
    • 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

    Magnetic carrier, two-component developer, and developer for replen...
    • Patent number 8,974,994
    • Issue date Mar 10, 2015
    • Canon Kabushiki Kaisha
    • Kentaro Kamae
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic carrier and two-components developer
    • Patent number 8,945,805
    • Issue date Feb 3, 2015
    • Canon Kabushiki Kaisha
    • Yoshinobu Baba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method of producing magnetic carrier and magnetic carrier that uses...
    • Patent number 8,927,188
    • Issue date Jan 6, 2015
    • Canon Kabushiki Kaisha
    • Takeshi Naka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic carrier and two-component developer
    • Patent number 8,921,023
    • Issue date Dec 30, 2014
    • Canon Kabushiki Kaisha
    • Yoshinobu Baba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming method
    • Patent number 8,722,303
    • Issue date May 13, 2014
    • Canon Kabushiki Kaisha
    • Juun Horie
    • 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

    Production method of magnetic carrier and magnetic carrier produced...
    • Patent number 8,323,726
    • Issue date Dec 4, 2012
    • Canon Kabushiki Kaisha
    • Takeshi Naka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method for producing electrophotographic carrier and electrophotogr...
    • Patent number 8,298,742
    • Issue date Oct 30, 2012
    • Canon Kabushiki Kaisha
    • Naoki Okamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic carrier, two-component developer and image forming method
    • Patent number 8,137,886
    • Issue date Mar 20, 2012
    • Canon Kabushiki Kaisha
    • Yoshinobu Baba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    TONER PRODUCING METHOD
    • Publication number 20250021028
    • Publication date Jan 16, 2025
    • Canon Kabushiki Kaisha
    • DAISUKE YAMASHITA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20240280920
    • Publication date Aug 22, 2024
    • Canon Kabushiki Kaisha
    • Kazunari Ooyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    THERMAL TREATMENT APPARATUS, AND TONER MANUFACTURING METHOD
    • Publication number 20240118639
    • Publication date Apr 11, 2024
    • Canon Kabushiki Kaisha
    • TAKESHI OHTSU
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20230375953
    • Publication date Nov 23, 2023
    • Canon Kabushiki Kaisha
    • JUNICHI TAMURA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC TONER
    • Publication number 20220252995
    • Publication date Aug 11, 2022
    • Canon Kabushiki Kaisha
    • Daisuke Tsujimoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20220050398
    • Publication date Feb 17, 2022
    • Canon Kabushiki Kaisha
    • Kazunari Ooyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20210397106
    • Publication date Dec 23, 2021
    • Canon Kabushiki Kaisha
    • Takakuni Kobori
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    TONER
    • Publication number 20210302853
    • Publication date Sep 30, 2021
    • Canon Kabushiki Kaisha
    • Kazuki Murata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20210223710
    • Publication date Jul 22, 2021
    • Canon Kabushiki Kaisha
    • Toru Takahashi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND METHOD OF PRODUCING TONER
    • Publication number 20210063903
    • Publication date Mar 4, 2021
    • Canon Kabushiki Kaisha
    • Takaho Shibata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20200073264
    • Publication date Mar 5, 2020
    • Canon Kabushiki Kaisha
    • Yosuke Iwasaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20190339629
    • Publication date Nov 7, 2019
    • Canon Kabushiki Kaisha
    • Daisuke Yamashita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    MAGENTA TONER AND TONER KIT
    • Publication number 20190171123
    • Publication date Jun 6, 2019
    • Canon Kabushiki Kaisha
    • Takeshi Ohtsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20180275540
    • Publication date Sep 27, 2018
    • Canon Kabushiki Kaisha
    • Ryuichiro Matsuo
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20180031990
    • Publication date Feb 1, 2018
    • Canon Kabushiki Kaisha
    • Kentaro Kamae
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND METHOD FOR MANUFACTURING TONER
    • Publication number 20170269493
    • Publication date Sep 21, 2017
    • Canon Kabushiki Kaisha
    • Takeshi Ohtsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND METHOD FOR PRODUCING TONER
    • Publication number 20170242355
    • Publication date Aug 24, 2017
    • Canon Kabushiki Kaisha
    • Koh Ishigami
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    WAX DISPERSANT FOR TONER AND TONER
    • Publication number 20170058067
    • Publication date Mar 2, 2017
    • Canon Kabushiki Kaisha
    • Takeshi Ohtsu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    TONER
    • Publication number 20160334725
    • Publication date Nov 17, 2016
    • Canon Kabushiki Kaisha
    • Wakiko Katsumata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND TWO-COMPONENT DEVELOPER
    • Publication number 20150177634
    • Publication date Jun 25, 2015
    • Canon Kabushiki Kaisha
    • Kentaro Kamae
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TWO-COMPONENT DEVELOPER, REPLENISHING DEVELOPER, AND IMAGE-FORMING...
    • Publication number 20150003875
    • Publication date Jan 1, 2015
    • Canon Kabushiki Kaisha
    • Koh Ishigami
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC CARRIER AND TWO-COMPONENT DEVELOPER
    • Publication number 20140220487
    • Publication date Aug 7, 2014
    • Canon Kabushiki Kaisha
    • Kentaro Kamae
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC CARRIER AND TWO-COMPONENT DEVELOPER
    • Publication number 20140134535
    • Publication date May 15, 2014
    • Canon Kabushiki Kaisha
    • Yoshinobu Baba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER, TWO-COMPONENT DEVELOPER, AND IMAGE FORMING METHOD
    • Publication number 20140113228
    • Publication date Apr 24, 2014
    • Canon Kabushiki Kaisha
    • Yoshiaki Shiotari
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC CARRIER AND TWO-COMPONENT DEVELOPER
    • Publication number 20140045115
    • Publication date Feb 13, 2014
    • Canon Kabushiki Kaisha
    • Yoshinobu Baba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    METHOD OF PRODUCING MAGNETIC CARRIER AND MAGNETIC CARRIER THAT USES...
    • Publication number 20140038098
    • Publication date Feb 6, 2014
    • Canon Kabushiki Kaisha
    • Takeshi Naka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC CARRIER AND TWO-COMPONENT DEVELOPER
    • Publication number 20140030650
    • Publication date Jan 30, 2014
    • Canon Kabushiki Kaisha
    • Nozomu Komatsu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MAGNETIC CARRIER AND TWO-COMPONENT DEVELOPER
    • Publication number 20130316282
    • Publication date Nov 28, 2013
    • Canon Kabushiki Kaisha
    • Koh Ishigami
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TWO-COMPONENT DEVELOPER
    • Publication number 20130244159
    • Publication date Sep 19, 2013
    • Canon Kabushiki Kaisha
    • Koh Ishigami
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER, BINARY DEVELOPER, AND IMAGE FORMING METHOD
    • Publication number 20130236830
    • Publication date Sep 12, 2013
    • Canon Kabushiki Kaisha
    • Yoshiaki Shiotari
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY