TREA

Toshiyuki Watanabe

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  • Kurume, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Nonlinear optical material
    • Patent number 5,110,988
    • Issue date May 5, 1992
    • Sumitomo Bakelite Company Limited
    • Seizo Miyata
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Non-linear optical material
    • Patent number 5,045,239
    • Issue date Sep 3, 1991
    • Nippon Oil and Fats Co., Ltd.
    • Seizo Miyata
    • G02 - OPTICS
  • Information Patent Grant

    Non-linear optical article
    • Patent number 4,892,681
    • Issue date Jan 9, 1990
    • Nippon Oil and Fats Co., Ltd.
    • Seizo Miyata
    • C07 - ORGANIC CHEMISTRY