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Takeshi Ohtsu

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Patents Grantslast 30 patents

  • Information Patent Grant

    Toner and method for producing toner
    • Patent number 11,914,325
    • Issue date Feb 27, 2024
    • Canon Kabushiki Kaisha
    • Takeshi Hashimoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 11,809,131
    • Issue date Nov 7, 2023
    • Canon Kabushiki Kaisha
    • Kentaro Kamae
    • 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

    Magnetic carrier, two-component developer, and method for producing...
    • Patent number 11,675,283
    • Issue date Jun 13, 2023
    • Canon Kabushiki Kaisha
    • Kentaro Kamae
    • 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 10,859,935
    • Issue date Dec 8, 2020
    • Canon Kabushiki Kaisha
    • Takeshi Ohtsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 10,838,316
    • Issue date Nov 17, 2020
    • Canon Kabushiki Kaisha
    • Akinori Miyamoto
    • 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 10,642,178
    • 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

    Apparatus for heat-treating powder particles and method of producin...
    • Patent number 9,671,707
    • Issue date Jun 6, 2017
    • Canon Kabushiki Kaisha
    • Hironori Minagawa
    • F26 - DRYING
  • Information Patent Grant

    Heat treating apparatus for powder particles and method of producin...
    • Patent number 9,665,021
    • Issue date May 30, 2017
    • Canon Kabushiki Kaisha
    • Takeshi Ohtsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Heat treating apparatus for powder particles and method of producin...
    • Patent number 9,372,420
    • Issue date Jun 21, 2016
    • Canon Kabushiki Kaisha
    • Yuichi Mizo
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Heat treatment apparatus and method for manufacturing toner
    • Patent number 9,075,328
    • Issue date Jul 7, 2015
    • Canon Kabushiki Kaisha
    • Hironori Minagawa
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • 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

    TONER PRODUCING METHOD
    • Publication number 20250021028
    • Publication date Jan 16, 2025
    • Canon Kabushiki Kaisha
    • DAISUKE YAMASHITA
    • 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

    METHOD FOR MANUFACTURING TONER
    • Publication number 20230168597
    • Publication date Jun 1, 2023
    • Canon Kabushiki Kaisha
    • Takeshi Ohtsu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • 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

    WHITE TONER
    • Publication number 20210286282
    • Publication date Sep 16, 2021
    • Canon Kabushiki Kaisha
    • Takakuni Kobori
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND METHOD FOR PRODUCING TONER
    • Publication number 20210278774
    • Publication date Sep 9, 2021
    • Canon Kabushiki Kaisha
    • Takeshi Hashimoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20210278775
    • Publication date Sep 9, 2021
    • Canon Kabushiki Kaisha
    • Kentaro Kamae
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC CARRIER, TWO-COMPONENT DEVELOPER, AND METHOD FOR PRODUCING...
    • Publication number 20210141315
    • Publication date May 13, 2021
    • Canon Kabushiki Kaisha
    • Kentaro Kamae
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • 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 20200073266
    • Publication date Mar 5, 2020
    • Canon Kabushiki Kaisha
    • Takeshi Ohtsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20200073267
    • Publication date Mar 5, 2020
    • Canon Kabushiki Kaisha
    • Akinori Miyamoto
    • 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 20180059565
    • Publication date Mar 1, 2018
    • Canon Kabushiki Kaisha
    • Kentaro Kamae
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER PRODUCTION METHOD AND POLYMER
    • Publication number 20180052402
    • Publication date Feb 22, 2018
    • Canon Kabushiki Kaisha
    • Yosuke Iwasaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • 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

    HEAT TREATMENT APPARATUS AND METHOD OF OBTAINING TONER
    • Publication number 20140137428
    • Publication date May 22, 2014
    • Canon Kabushiki Kaisha
    • Kohji Takenaka
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    HEAT TREATING APPARATUS FOR POWDER PARTICLES AND METHOD OF PRODUCIN...
    • Publication number 20140120468
    • Publication date May 1, 2014
    • Canon Kabushiki Kaisha
    • Yuichi Mizo
    • F26 - DRYING
  • Information Patent Application

    APPARATUS FOR HEAT-TREATING POWDER PARTICLES AND METHOD OF PRODUCIN...
    • Publication number 20140101966
    • Publication date Apr 17, 2014
    • Canon Kabushiki Kaisha
    • Hironori Minagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    HEAT TREATING APPARATUS FOR POWDER PARTICLES AND METHOD OF PRODUCIN...
    • Publication number 20140096409
    • Publication date Apr 10, 2014
    • Canon Kabushiki Kaisha
    • Takeshi Ohtsu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    HEAT TREATMENT APPARATUS AND METHOD FOR MANUFACTURING TONER
    • Publication number 20130323638
    • Publication date Dec 5, 2013
    • Canon Kabushiki Kaisha
    • Hironori Minagawa
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    TONER AND TWO-COMPONENT DEVELOPER
    • Publication number 20110136060
    • Publication date Jun 9, 2011
    • Canon Kabushiki Kaisha
    • Hiroyuki Fujikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER AND TWO-COMPONENT DEVELOPER
    • Publication number 20090233212
    • Publication date Sep 17, 2009
    • Canon Kabushiki Kaisha
    • Hiroyuki Fujikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY