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Yoshiharu Otuki

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  • Urawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Stabilized oxymethylene copolymer composition
    • Patent number 4,342,680
    • Issue date Aug 3, 1982
    • Mitsubishi Gas Chemical Company, Inc.
    • Akitoshi Sugio
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Acetal resin composition
    • Patent number 4,201,849
    • Issue date May 6, 1980
    • Mitsubishi Gas Chemical Company, Inc.
    • Masaharu Kimura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...