TREA

Yozo Nagai

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Colored resin composition for water pipe and colored water pipe
    • Patent number 6,448,312
    • Issue date Sep 10, 2002
    • High Tech Chem Co., Ltd.
    • Kotaro Oshima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Propylene polymer composition
    • Patent number 4,735,988
    • Issue date Apr 5, 1988
    • Showa Denko Kabushiki Kaisha
    • Tomio Takada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...