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Hiroya Fujii

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  • Yokkaichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing polyphenylene ether
    • Patent number 6,759,507
    • Issue date Jul 6, 2004
    • Mitsubishi Gas Chemical Co., Inc.
    • Kiyoshi Yoshida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method of precipitating polyphenylene ether
    • Patent number 6,627,727
    • Issue date Sep 30, 2003
    • Mitsubishi Gas Chemical Co.
    • Kiyoshi Yoshida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Acetal resin composition
    • Patent number 4,900,769
    • Issue date Feb 13, 1990
    • Mitsubishi Gas Chemical Company, Inc.
    • Masaharu Kimura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...