TREA

Gaku Nishizawa

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  • Nagano-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical device and projector
    • Patent number 7,775,667
    • Issue date Aug 17, 2010
    • Seiko Epson Corporation
    • Kazuyuki Iinuma
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Light source and projector
    • Patent number 7,147,349
    • Issue date Dec 12, 2006
    • Seiko Epson Corporation
    • Hisamaro Kato
    • F21 - LIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical device and projector
    • Publication number 20070206157
    • Publication date Sep 6, 2007
    • SEIKO EPSON CORPORATION
    • Kazuyuki Iinuma
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Light source and projector
    • Publication number 20040228130
    • Publication date Nov 18, 2004
    • SEIKO EPSON CORPORATION
    • Hisamaro Kato
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE