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Ayako Sekikawa

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  • Susono-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magenta toner
    • Patent number 8,497,056
    • Issue date Jul 30, 2013
    • Canon Kabushiki Kaisha
    • Ayako Sekikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Yellow toner
    • Patent number 8,475,987
    • Issue date Jul 2, 2013
    • Canon Kabushiki Kaisha
    • Takaaki Kaya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Black toner
    • Patent number 8,465,896
    • Issue date Jun 18, 2013
    • Canon Kabushiki Kaisha
    • Ayako Sekikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cyan toner
    • Patent number 8,460,845
    • Issue date Jun 11, 2013
    • Canon Kabushiki Kaisha
    • Takaaki Kaya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 7,794,909
    • Issue date Sep 14, 2010
    • Canon Kabushiki Kaisha
    • Takaaki Kaya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    MAGENTA TONER
    • Publication number 20110300478
    • Publication date Dec 8, 2011
    • Canon Kabushiki Kaisha
    • Ayako Sekikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    BLACK TONER
    • Publication number 20110045398
    • Publication date Feb 24, 2011
    • Canon Kabushiki Kaisha
    • Ayako Sekikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    YELLOW TONER
    • Publication number 20110039200
    • Publication date Feb 17, 2011
    • Canon Kabushiki Kaisha
    • Takaaki Kaya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CYAN TONER
    • Publication number 20100062355
    • Publication date Mar 11, 2010
    • Canon Kabushiki Kaisha
    • Takaaki Kaya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20090263738
    • Publication date Oct 22, 2009
    • Canon Kabushiki Kaisha
    • Takaaki Kaya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY