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Makoto Matsumura

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polycarbonate resin
    • Patent number 7,202,323
    • Issue date Apr 10, 2007
    • Mitsubishi Gas Chemical Company, Inc.
    • Takayasu Fujimori
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing low-dust-level polycarbonate molded article
    • Patent number 5,073,313
    • Issue date Dec 17, 1991
    • Mitsubishi Gas Chemical Co., Ltd.
    • Toshikazu Umemura
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Gas-barrier multilayered structure
    • Patent number 4,908,272
    • Issue date Mar 13, 1990
    • Mitsubishi Gas Chemical Company, Inc.
    • Masahiro Harada
    • B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Polycarbonate resin
    • Publication number 20040230024
    • Publication date Nov 18, 2004
    • MITSUBISHI GAS CHEMICAL COMPANY, INC.
    • Takayasu Fujimori
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...