TREA

Toshihiko NAGUMO

Follow

Person

  • Azumino-Shi, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Projector
    • Patent number 10,466,577
    • Issue date Nov 5, 2019
    • Seiko Epson Corporation
    • Masanori Yasuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Optical apparatus and projector
    • Patent number 10,345,690
    • Issue date Jul 9, 2019
    • Seiko Epson Corporation
    • Toshihiko Nagumo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Light source device, dust collecting member, and projector
    • Patent number 9,897,904
    • Issue date Feb 20, 2018
    • Seiko Epson Corporation
    • Toshizo Nishi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Dimmer and projector
    • Patent number 9,703,184
    • Issue date Jul 11, 2017
    • Seiko Epson Corporation
    • Kenshi Sakai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • 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

    Projector with a turbo fan rotatable about a vertical axis
    • Patent number 8,591,037
    • Issue date Nov 26, 2013
    • Seiko Epson Corporation
    • Toshihiko Nagumo
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Light source device and projector
    • Patent number 8,132,924
    • Issue date Mar 13, 2012
    • Seiko Epson Corporation
    • Toshizo Nishi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Optical device and projector
    • Patent number 8,061,844
    • Issue date Nov 22, 2011
    • Seiko Epson Corporation
    • Toshihiko Nagumo
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    PROJECTOR
    • Publication number 20190041740
    • Publication date Feb 7, 2019
    • SEIKO EPSON CORPORATION
    • Masanori YASUDA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    OPTICAL APPARATUS AND PROJECTOR
    • Publication number 20180017857
    • Publication date Jan 18, 2018
    • SEIKO EPSON CORPORATION
    • Toshihiko NAGUMO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE DEVICE, DUST COLLECTING MEMBER, AND PROJECTOR
    • Publication number 20170108764
    • Publication date Apr 20, 2017
    • SEIKO EPSON CORPORATION
    • Toshizo NISHI
    • F21 - LIGHTING
  • 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

    DIMMER AND PROJECTOR
    • Publication number 20130038646
    • Publication date Feb 14, 2013
    • SEIKO EPSON CORPORATION
    • Kenshi SAKAI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROJECTOR
    • Publication number 20110234991
    • Publication date Sep 29, 2011
    • SEIKO EPSON CORPORATION
    • Toshihiko NAGUMO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHT SOURCE DEVICE AND PROJECTOR
    • Publication number 20100253924
    • Publication date Oct 7, 2010
    • SEIKO EPSON CORPORATION
    • Toshizo Nishi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    OPTICAL DEVICE AND PROJECTOR
    • Publication number 20090323025
    • Publication date Dec 31, 2009
    • SEIKO EPSON CORPORATION
    • Toshihiko Nagumo
    • G02 - OPTICS
  • Information Patent Application

    Rear projector
    • Publication number 20060170879
    • Publication date Aug 3, 2006
    • SEIKO EPSON CORPORATION
    • Shigeki Kato
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE