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HIROKI OKA

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Patents Grantslast 30 patents

  • Information Patent Grant

    Image forming apparatus
    • Patent number 10,859,939
    • Issue date Dec 8, 2020
    • Fuji Xerox Co., Ltd.
    • Kanji Shintaku
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Charging device, image forming structure, and image forming device
    • Patent number 10,802,413
    • Issue date Oct 13, 2020
    • Fuji Xerox Co., Ltd.
    • Keishi Araki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus and recording material guide device
    • Patent number 10,747,148
    • Issue date Aug 18, 2020
    • Fuji Xerox Co., Ltd.
    • Hiroki Oka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Modular unit
    • Patent number D738029
    • Issue date Sep 1, 2015
    • Sony Corporation
    • Bunichi Obana
    • D26 - Lighting
  • Information Patent Grant

    Projector
    • Patent number D736301
    • Issue date Aug 11, 2015
    • Sony Corporation
    • Hiroki Oka
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Portable recorder
    • Patent number D623166
    • Issue date Sep 7, 2010
    • Sony Corporation
    • Hiroki Oka
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Video camera system having remote commander
    • Patent number 7,545,410
    • Issue date Jun 9, 2009
    • Sony Corporation
    • Hiroki Oka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Portable recorder
    • Patent number D581898
    • Issue date Dec 2, 2008
    • Sony Corproation
    • Hiroki Oka
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Portable recorder
    • Patent number D578994
    • Issue date Oct 21, 2008
    • Sony Corporation
    • Hiroki Oka
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    IC recorder
    • Patent number D567798
    • Issue date Apr 29, 2008
    • Sony Corporation
    • Hiroki Oka
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    IC recorder
    • Patent number D542262
    • Issue date May 8, 2007
    • Sony Corporation
    • Hiroki Oka
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Tripod
    • Patent number D533578
    • Issue date Dec 12, 2006
    • Sony Corporation
    • Hiroki Oka
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Printer
    • Patent number D516619
    • Issue date Mar 7, 2006
    • Sony Corporation
    • Hiroki Oka
    • D18 - Printing and office machinery
  • Information Patent Grant

    Video camera system having remote commander
    • Patent number 6,828,994
    • Issue date Dec 7, 2004
    • Sony Corporation
    • Hiroki Oka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Disc player
    • Patent number D487446
    • Issue date Mar 9, 2004
    • Sony Corporation
    • Hiroki Oka
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Disc cartridge
    • Patent number D487095
    • Issue date Feb 24, 2004
    • Sony Corporation
    • Hiroki Oka
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Video camera
    • Patent number D486845
    • Issue date Feb 17, 2004
    • Sony Corporation
    • Hiroki Oka
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Video camera system having remote commander
    • Patent number 6,556,240
    • Issue date Apr 29, 2003
    • Sony Corporation
    • Hiroki Oka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Combined video printer and player/recorder
    • Patent number D461788
    • Issue date Aug 20, 2002
    • Sony Corporation
    • Hiroki Oka
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Projector
    • Patent number D460777
    • Issue date Jul 23, 2002
    • Sony Corporation
    • Hiroki Oka
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Video camera
    • Patent number D450741
    • Issue date Nov 20, 2001
    • Sony Corporation
    • Hiroki Oka
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Video tape recorder
    • Patent number D436581
    • Issue date Jan 23, 2001
    • Sony Corporation
    • Hiroki Oka
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Stabilizer for a video camera
    • Patent number D421032
    • Issue date Feb 22, 2000
    • Sony Corporation
    • Hiroki Oka
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Video camera combined with video tape recorder
    • Patent number D412515
    • Issue date Aug 3, 1999
    • Sony Corporation
    • Hiroki Oka
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Combined disc recorder and video camera
    • Patent number D410935
    • Issue date Jun 15, 1999
    • Sony Corporation
    • Hiroki Oka
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Battery charger
    • Patent number D410431
    • Issue date Jun 1, 1999
    • Sony Corporation
    • Osamu Sasago
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Combined tape player and radio
    • Patent number D359044
    • Issue date Jun 6, 1995
    • Sony Corporation
    • Hiroki Oka
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Digital audio disc player combined with a radio tuner and a tape re...
    • Patent number D350753
    • Issue date Sep 20, 1994
    • Sony Corporation
    • Hiroki Oka
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents