TREA

Keisuke Sakagami

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  • Nagano-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light source device and projector
    • Patent number 9,651,851
    • Issue date May 16, 2017
    • Seiko Epson Corporation
    • Katsunori Tanaka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Light source device and projector
    • Patent number 9,052,581
    • Issue date Jun 9, 2015
    • Seiko Epson Corporation
    • Masahiro Saito
    • F21 - LIGHTING
  • Information Patent Grant

    Light source device and projector
    • Patent number 8,857,998
    • Issue date Oct 14, 2014
    • Seiko Epson Corporation
    • Masahiro Saito
    • F21 - LIGHTING
  • Information Patent Grant

    Projector
    • Patent number 8,752,968
    • Issue date Jun 17, 2014
    • Seiko Epson Corporation
    • Masahiro Saito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Projector
    • Patent number 7,997,741
    • Issue date Aug 16, 2011
    • Seiko Epson Corporation
    • Kunihisa Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Projector
    • Patent number D628227
    • Issue date Nov 30, 2010
    • Seiko Epson Corporation
    • Genta Kawabe
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Projector
    • Patent number D617822
    • Issue date Jun 15, 2010
    • Seiko Epson Corporation
    • Genta Kawabe
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Projector
    • Patent number D613326
    • Issue date Apr 6, 2010
    • Seiko Epson Corporation
    • Genta Kawabe
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Projector
    • Patent number D588620
    • Issue date Mar 17, 2009
    • Seiko Epson Corporation
    • Genta Kawabe
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Projector
    • Patent number D588619
    • Issue date Mar 17, 2009
    • Seiko Epson Corporation
    • Genta Kawabe
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Geared motor
    • Patent number 6,031,308
    • Issue date Feb 29, 2000
    • Seiko Epson Corporation
    • Satoshi Kinoshita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Projection type liquid crystal projector
    • Patent number 5,988,818
    • Issue date Nov 23, 1999
    • Seiko Epson Corporation
    • Motoyuki Fujimori
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Projection type liquid crystal projector
    • Patent number 5,651,599
    • Issue date Jul 29, 1997
    • Seiko Epson Corporation
    • Motoyuki Fujimori
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Projection type liquid crystal projector
    • Patent number 5,418,586
    • Issue date May 23, 1995
    • Seiko Epson Corporation
    • Motoyuki Fujimori
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    LIGHT SOURCE DEVICE AND PROJECTOR
    • Publication number 20150362829
    • Publication date Dec 17, 2015
    • SEIKO EPSON CORPORATION
    • Katsunori TANAKA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Light Source Device and Projector
    • Publication number 20140362351
    • Publication date Dec 11, 2014
    • Masahiro Saito
    • F21 - LIGHTING
  • Information Patent Application

    PROJECTOR
    • Publication number 20120242966
    • Publication date Sep 27, 2012
    • SEIKO EPSON CORPORATION
    • Masahiro Saito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Light Source Device and Projector
    • Publication number 20110216285
    • Publication date Sep 8, 2011
    • SEIKO EPSON CORPORATION
    • Masahiro Saito
    • F21 - LIGHTING
  • Information Patent Application

    PROJECTOR
    • Publication number 20090185146
    • Publication date Jul 23, 2009
    • SEIKO EPSON CORPORATION
    • Kunihisa Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE