TREA

Toshio Watanabe

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  • Kawagoe, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polymer and its production
    • Patent number 4,683,288
    • Issue date Jul 28, 1987
    • Waco Pure Chemical Ind. Inc.
    • Motoaki Tanaka
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Copolymer and method for producing the same
    • Patent number 4,677,191
    • Issue date Jun 30, 1987
    • Wada Pure Chemical Ind., Ltd.
    • Motoaki Tanaka
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE