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Katsuhiko Oba

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  • Odawara-shi, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20240019804
    • Publication date Jan 18, 2024
    • Canon Kabushiki Kaisha
    • Katsuhiko Oba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230176521
    • Publication date Jun 8, 2023
    • Canon Kabushiki Kaisha
    • Takeo Kawanami
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230019464
    • Publication date Jan 19, 2023
    • Canon Kabushiki Kaisha
    • Kohei Koguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20220382200
    • Publication date Dec 1, 2022
    • Canon Kabushiki Kaisha
    • Katsuhiko Oba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20220197213
    • Publication date Jun 23, 2022
    • Canon Kabushiki Kaisha
    • Takeo Kawanami
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20210318642
    • Publication date Oct 14, 2021
    • Canon Kabushiki Kaisha
    • Kohei Koguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20210318645
    • Publication date Oct 14, 2021
    • Canon Kabushiki Kaisha
    • Katsuhiko Oba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20160170336
    • Publication date Jun 16, 2016
    • Canon Kabushiki Kaisha
    • Katsuhiko Oba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20150234344
    • Publication date Aug 20, 2015
    • Canon Kabushiki Kaisha
    • Katsuhiko Oba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
    • Publication number 20140314445
    • Publication date Oct 23, 2014
    • Kazuhiko Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
    • Publication number 20130343780
    • Publication date Dec 26, 2013
    • Canon Kabushiki Kaisha
    • Kazuhiko Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
    • Publication number 20120177404
    • Publication date Jul 12, 2012
    • Canon Kabushiki Kaisha
    • Kazuhiko Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
    • Publication number 20120163861
    • Publication date Jun 28, 2012
    • Canon Kabushiki Kaisha
    • Kazuhiko Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20120057901
    • Publication date Mar 8, 2012
    • Canon Kabushiki Kaisha
    • Katsuhiko Oba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
    • Publication number 20110129251
    • Publication date Jun 2, 2011
    • Canon Kabushiki Kaisha
    • Kazuhiko Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
    • Publication number 20110123225
    • Publication date May 26, 2011
    • Canon Kabushiki Kaisha
    • Kazuhiko Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
    • Publication number 20110103829
    • Publication date May 5, 2011
    • Canon Kabushiki Kaisha
    • Kazuhiko Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
    • Publication number 20100158565
    • Publication date Jun 24, 2010
    • Canon Kabushiki Kaisha
    • Kazuhiko Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
    • Publication number 20090297211
    • Publication date Dec 3, 2009
    • Canon Kabushiki Kaisha
    • Kazuhiko Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20080145122
    • Publication date Jun 19, 2008
    • Canon Kabushiki Kaisha
    • Tamotsu Kaneko
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
    • Publication number 20080138105
    • Publication date Jun 12, 2008
    • Canon Kabushiki Kaisha
    • Kazuhiko Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
    • Publication number 20080138106
    • Publication date Jun 12, 2008
    • Canon Kabushiki Kaisha
    • Kazuhiko Kanno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Image forming apparatus
    • Publication number 20060093420
    • Publication date May 4, 2006
    • Canon Kabushiki Kaisha
    • Katsuhiko Oba
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Image heating apparatus having flexible sleeve
    • Publication number 20050180788
    • Publication date Aug 18, 2005
    • Canon Kabushiki Kaisha
    • Kenji Watanabe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Image heating apparatus having recording medium conveying nip nonun...
    • Publication number 20050105941
    • Publication date May 19, 2005
    • Canon Kabushiki Kaisha
    • Masatake Usui
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Image forming apparatus
    • Publication number 20010028144
    • Publication date Oct 11, 2001
    • Tomoaki Imura
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL