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Junko Yoshikawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Developer supply container
    • Patent number 7,190,925
    • Issue date Mar 13, 2007
    • Canon Kabushiki Kaisha
    • Tetsuo Isomura
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Developer supply container
    • Patent number 7,054,581
    • Issue date May 30, 2006
    • Canon Kabushiki Kaisha
    • Junko Yoshikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner supply kit
    • Patent number 6,987,942
    • Issue date Jan 17, 2006
    • Canon Kabushiki Kaisha
    • Junko Yoshikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developer supply container with a plurality of feeding projections
    • Patent number 6,963,713
    • Issue date Nov 8, 2005
    • Canon Kabushiki Kaisha
    • Tetsuo Isomura
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Toner and fixing method
    • Patent number 6,929,894
    • Issue date Aug 16, 2005
    • Canon Kabushiki Kaisha
    • Nobuyoshi Sugahara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developer supply kit
    • Patent number 6,922,540
    • Issue date Jul 26, 2005
    • Canon Kabushiki Kaisha
    • Junko Yoshikawa
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Toner supplying cartridge
    • Patent number D490844
    • Issue date Jun 1, 2004
    • Canon Kabushiki Kaisha
    • Ayatomo Okino
    • D18 - Printing and office machinery
  • Information Patent Grant

    Toner, image forming method and process cartridge
    • Patent number 6,653,038
    • Issue date Nov 25, 2003
    • Canon Kabushiki Kaisha
    • Satoshi Matsunaga
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner, image forming method and process-cartridge
    • Patent number 6,613,490
    • Issue date Sep 2, 2003
    • Canon Kabushiki Kaisha
    • Satoshi Matsunaga
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner, image forming method and process cartridge
    • Patent number 6,593,052
    • Issue date Jul 15, 2003
    • Canon Kabushiki Kaisha
    • Junko Yoshikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner, and process for producing a toner
    • Patent number 6,326,114
    • Issue date Dec 4, 2001
    • Canon Kabushiki Kaisha
    • Takayuki Itakura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner and image forming method
    • Patent number 6,316,157
    • Issue date Nov 13, 2001
    • Canon Kabushiki Kaisha
    • Junko Yoshikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    Developer supply container
    • Publication number 20050025529
    • Publication date Feb 3, 2005
    • Canon Kabushiki Kaisha
    • Tetsuo Isomura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Developer supply container
    • Publication number 20040234297
    • Publication date Nov 25, 2004
    • Canon Kabushiki Kaisha
    • Junko Yoshikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Developer supply container
    • Publication number 20040052553
    • Publication date Mar 18, 2004
    • Canon Kabushiki Kaisha
    • Tetsuo Isomura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Toner supply kit
    • Publication number 20040033087
    • Publication date Feb 19, 2004
    • Canon Kabushiki Kaisha
    • Junko Yoshikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Toner and fixing method
    • Publication number 20040009420
    • Publication date Jan 15, 2004
    • Nobuyoshi Sugahara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Developer supply kit
    • Publication number 20030081967
    • Publication date May 1, 2003
    • Canon Kabushiki Kaisha
    • Junko Yoshikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Toner, image forming method and process cartridge
    • Publication number 20030044708
    • Publication date Mar 6, 2003
    • Satoshi Matsunaga
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Toner, image forming method and process-cartridge
    • Publication number 20020098433
    • Publication date Jul 25, 2002
    • Satoshi Matsunaga
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Toner, image forming method and process cartridge
    • Publication number 20020045120
    • Publication date Apr 18, 2002
    • Junko Yoshikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY