TREA

Akira Izawa

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  • Kawasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Projection screen and projection system comprising the same
    • Patent number 7,057,813
    • Issue date Jun 6, 2006
    • Dai Nippon Printing Co., Ltd.
    • Masanori Umeya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Projection screen
    • Patent number 5,477,380
    • Issue date Dec 19, 1995
    • Dai Nippon Printing Co., Ltd.
    • Hitomu Watanabe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Rear projection screen
    • Patent number 4,509,823
    • Issue date Apr 9, 1985
    • Dai Nippon Insatsu Kabushiki Kaisha
    • Yutaro Moriguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Rear projection screen
    • Patent number 4,490,010
    • Issue date Dec 25, 1984
    • Dai Nippon Insatsu Kabushiki Kaisha
    • Makoto Honda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents