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Yoshimi Akamatu

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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for preparing biodegradable resin foam
    • Patent number 5,308,879
    • Issue date May 3, 1994
    • Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
    • Yoshimi Akamatu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Halogen-containing thermoplastic resin composition
    • Patent number 5,071,893
    • Issue date Dec 10, 1991
    • Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
    • Hiroshi Takida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Halogen-containing thermoplastic resin composition
    • Patent number 5,051,462
    • Issue date Sep 24, 1991
    • Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
    • Hiroshi Takida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...