TREA

Hisashi Shimokawahara

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lightsafe masking film
    • Patent number 5,085,908
    • Issue date Feb 4, 1992
    • Somar Corporation
    • Shinichi Sano
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Lightsafe masking film
    • Patent number 5,009,944
    • Issue date Apr 23, 1991
    • Somar Corporation
    • Hiroshi Maruyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY