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Yoshitaka Itoh

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Projector
    • Publication number 20210278757
    • Publication date Sep 9, 2021
    • SEIKO EPSON CORPORATION
    • Yoshitaka ITOH
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LIGHT EMITTING APPARATUS AND PROJECTOR
    • Publication number 20210168338
    • Publication date Jun 3, 2021
    • SEIKO EPSON CORPORATION
    • Yoshitaka ITOH
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LIGHT EMITTING DEVICE AND PROJECTOR
    • Publication number 20210033955
    • Publication date Feb 4, 2021
    • SEIKO EPSON CORPORATION
    • Yoshitaka ITOH
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Light Source Module And Projector
    • Publication number 20210033956
    • Publication date Feb 4, 2021
    • SEIKO EPSON CORPORATION
    • Yoshitaka ITOH
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROJECTOR
    • Publication number 20200209724
    • Publication date Jul 2, 2020
    • SEIKO EPSON CORPORATION
    • Yoshitaka ITOH
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROJECTOR
    • Publication number 20190317391
    • Publication date Oct 17, 2019
    • SEIKO EPSON CORPORATION
    • Yoshitaka ITOH
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
    • Publication number 20190079376
    • Publication date Mar 14, 2019
    • SEIKO EPSON CORPORATION
    • Yoshitaka Itoh
    • G02 - OPTICS
  • Information Patent Application

    WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE APPARATUS, AND PROJECTOR
    • Publication number 20180284584
    • Publication date Oct 4, 2018
    • SEIKO EPSON CORPORATION
    • Yoshitaka Itoh
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROJECTOR
    • Publication number 20130293849
    • Publication date Nov 7, 2013
    • SEIKO EPSON CORPORATION
    • Yoshitaka ITOH
    • G02 - OPTICS
  • Information Patent Application

    ILLUMINATION DEVICE AND PROJECTOR
    • Publication number 20120229775
    • Publication date Sep 13, 2012
    • SEIKO EPSON CORPORATION
    • Yoshitaka ITOH
    • G02 - OPTICS
  • Information Patent Application

    PROJECTOR
    • Publication number 20110304827
    • Publication date Dec 15, 2011
    • SEIKO EPSON CORPORATION
    • Yoshitaka ITOH
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PROJECTOR
    • Publication number 20110242490
    • Publication date Oct 6, 2011
    • SEIKO EPSON CORPORATION
    • Yoshitaka ITOH
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PROJECTOR
    • Publication number 20110188005
    • Publication date Aug 4, 2011
    • SEIKO EPSON CORPORATION
    • Yasunaga MIYAZAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ILLUMINATION APPARATUS AND PROJECTOR
    • Publication number 20100157252
    • Publication date Jun 24, 2010
    • SEIKO EPSON CORPORATION
    • Yoshitaka ITOH
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ILLUMINATOR AND PROJECTOR
    • Publication number 20100053564
    • Publication date Mar 4, 2010
    • SEIKO EPSON CORPORATION
    • Yoshitaka ITOH
    • F21 - LIGHTING
  • Information Patent Application

    ILLUMINATION APPARATUS, PROJECTOR, AND ILLUMINATION METHOD
    • Publication number 20090273760
    • Publication date Nov 5, 2009
    • SEIKO EPSON CORPORATION
    • Yoshitaka Itoh
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ILLUMINATION APPARATUS, PROJECTOR, AND ILLUMINATION METHOD
    • Publication number 20090237618
    • Publication date Sep 24, 2009
    • SEIKO EPSON CORPORATION
    • Yoshitaka Itoh
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Polarization luminaire and projection display
    • Publication number 20080218697
    • Publication date Sep 11, 2008
    • SEIKO EPSON CORPORATION
    • Yoshitaka Itoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Polarization luminaire and projection display
    • Publication number 20070024974
    • Publication date Feb 1, 2007
    • SEIKO EPSON CORPORATION
    • Yoshitaka Itoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Light propagation structure and optical display device of optical s...
    • Publication number 20050271312
    • Publication date Dec 8, 2005
    • SEIKO EPSON CORPORATION
    • Shoichi Uchiyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Illumination device, display device and projector
    • Publication number 20050259308
    • Publication date Nov 24, 2005
    • SEIKO EPSON CORPORATION
    • Yoshitaka Itoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Projector
    • Publication number 20050248736
    • Publication date Nov 10, 2005
    • SEIKO EPSON CORPORATION
    • Yoshitaka Itoh
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Optical display device and projection-type display device
    • Publication number 20050174495
    • Publication date Aug 11, 2005
    • SEIKO EPSON CORPORATION
    • Yoshitaka Itoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Illumination device, display device, and projection type display de...
    • Publication number 20050169572
    • Publication date Aug 4, 2005
    • SEIKO EPSON CORPORATION
    • Yoshitaka Itoh
    • G02 - OPTICS
  • Information Patent Application

    Polarization luminaire and projection display
    • Publication number 20050083573
    • Publication date Apr 21, 2005
    • SEIKO EPSON CORPORATION
    • Yoshitaka Itoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Projector
    • Publication number 20040141153
    • Publication date Jul 22, 2004
    • SEIKO EPSON CORPORATION
    • Yoshitaka Itoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Projector
    • Publication number 20030095236
    • Publication date May 22, 2003
    • SEIKO EPSON CORPORATION
    • Yoshitaka Itoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Projection-type display apparatus
    • Publication number 20030025845
    • Publication date Feb 6, 2003
    • SEIKO EPSON CORPORATION
    • Osamu Murakami
    • G02 - OPTICS
  • Information Patent Application

    Polarization luminaire and projection display
    • Publication number 20020141058
    • Publication date Oct 3, 2002
    • SEIKO EPSON CORPORATION
    • Yoshitaka Itoh
    • G02 - OPTICS
  • Information Patent Application

    Polarization luminaire and projection display
    • Publication number 20020093737
    • Publication date Jul 18, 2002
    • SEIKO EPSON CORPORATION
    • Yoshitaka Itoh
    • G02 - OPTICS