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Maki Okajima

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    TONER
    • Publication number 20210132519
    • Publication date May 6, 2021
    • Canon Kabushiki Kaisha
    • Akira Hashimoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20180149989
    • Publication date May 31, 2018
    • Canon Kabushiki Kaisha
    • Masao Suzuki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    ORGANIC LIGHT EMITTING DEVICE
    • Publication number 20160181528
    • Publication date Jun 23, 2016
    • Canon Kabushiki Kaisha
    • Minako Nakasu
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ORGANIC LIGHT-EMITTING DEVICE
    • Publication number 20130001542
    • Publication date Jan 3, 2013
    • Canon Kabushiki Kaisha
    • Maki Okajima
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    NOVEL FLUORENYLAMINE COMPOUND, ORGANIC LIGHT EMITTING DEVICE CONTAI...
    • Publication number 20120211742
    • Publication date Aug 23, 2012
    • Canon Kabushiki Kaisha
    • Tomonari Horikiri
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    ORGANIC LIGHT EMITTING DEVICE
    • Publication number 20120205639
    • Publication date Aug 16, 2012
    • Canon Kabushiki Kaisha
    • Minako Nakasu
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    PYRENE DERIVATIVE AND ORGANIC LIGHT-EMITTING DEVICE USING THE SAME
    • Publication number 20120132901
    • Publication date May 31, 2012
    • Canon Kabushiki Kaisha
    • Naoki Yamada
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    NOVEL BENZOPYRENE COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT CONTA...
    • Publication number 20110240976
    • Publication date Oct 6, 2011
    • Canon Kabushiki Kaisha
    • Naoki Yamada
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    DIINDENOPICENE COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE...
    • Publication number 20110204349
    • Publication date Aug 25, 2011
    • Canon Kabushiki Kaisha
    • Maki Okajima
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    ORGANIC LIGHT EMITTING DEVICE
    • Publication number 20110001864
    • Publication date Jan 6, 2011
    • Canon Kabushiki Kaisha
    • Keiji Okinaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ORGANIC LIGHT-EMITTING DEVICE
    • Publication number 20100327274
    • Publication date Dec 30, 2010
    • Canon Kabushiki Kaisha
    • Maki Okajima
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20100041171
    • Publication date Feb 18, 2010
    • Canon Kabushiki Kaisha
    • Toshinori Hasegawa
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    PHENANTHROLINE COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING SAME
    • Publication number 20090218940
    • Publication date Sep 3, 2009
    • Canon Kabushiki Kaisha
    • Maki Okajima
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Phenanthroline compound and organic light emitting device using same
    • Publication number 20060097227
    • Publication date May 11, 2006
    • Canon Kabushiki Kaisha
    • Maki Okajima
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Light-emitting device
    • Publication number 20060017050
    • Publication date Jan 26, 2006
    • Canon Kabushiki Kaisha
    • Toshinori Hasegawa
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Condensed polycyclic compound and organic light-emitting device usi...
    • Publication number 20050236974
    • Publication date Oct 27, 2005
    • Canon Kabushiki Kaisha
    • Koichi Suzuki
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Oligofluorenlylene compounds
    • Publication number 20050106414
    • Publication date May 19, 2005
    • Canon Kabushiki Kaisha
    • Akihito Saitoh
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Organic light emitting device
    • Publication number 20040150327
    • Publication date Aug 5, 2004
    • Canon Kabushiki Kaisha
    • Tatsundo Kawai
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR