TREA

Toshiyuki Hagiwara

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Patents Grantslast 30 patents

  • Information Patent Grant

    Cellulose ester film manufacturing method
    • Patent number 6,036,913
    • Issue date Mar 14, 2000
    • Konica Corporation
    • Toshiaki Shibue
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Mixing method
    • Patent number 5,918,976
    • Issue date Jul 6, 1999
    • Konica Corporation
    • Katuya Hashimoto
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Crystallization method
    • Patent number 5,880,289
    • Issue date Mar 9, 1999
    • Konica Corporation
    • Tadahiro Kaneko
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Processes for manufacturing thermoplastic resin compositions
    • Patent number 5,281,379
    • Issue date Jan 25, 1994
    • Kanebo, Ltd.
    • Kentaro Noguchi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Process for producing polyester resin composition
    • Patent number 4,877,819
    • Issue date Oct 31, 1989
    • Konica Corporation
    • Kazuto Kiyohara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...