TREA

Noritoshi Tomikawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Organic electroluminescent device
    • Patent number 5,652,067
    • Issue date Jul 29, 1997
    • Toppan Printing Co., Ltd.
    • Yuichi Ito
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents