TREA

Takafumi Nozawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Resin composition and resin sheet
    • Patent number 6,566,447
    • Issue date May 20, 2003
    • Riken Vinyl Industry Co., Ltd.
    • Yasushi Tokunaga
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Resin composition and resin sheet
    • Patent number 6,433,081
    • Issue date Aug 13, 2002
    • Riken Technos Corporation
    • Yasushi Tokunaga
    • B32 - LAYERED PRODUCTS