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Takashi Yamawaki

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  • Ichihara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing polyolefin
    • Patent number 5,330,949
    • Issue date Jul 19, 1994
    • Idemitsu Petrochemical Company, Ltd.
    • Hideo Funabashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Butene-1 copolymer composition
    • Patent number 5,202,370
    • Issue date Apr 13, 1993
    • Idemitsu Petrochemical Co., Ltd.
    • Takashi Yamawaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Butene-1 polymer film and laminated film thereof
    • Patent number 5,093,189
    • Issue date Mar 3, 1992
    • Idemitsu Petrochemical Company
    • Takashi Yamawaki
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Polyolefin type resin laminate
    • Patent number 5,030,506
    • Issue date Jul 9, 1991
    • Idemitsu Petrochemical Company Ltd.
    • Takashi Yamawaki
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Butene-1 copolymer composition
    • Patent number 4,975,492
    • Issue date Dec 4, 1990
    • Idemitsu Petrochemical Company Limited
    • Masahiko Kondo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Olefin copolymer composition
    • Patent number 4,943,615
    • Issue date Jul 24, 1990
    • Idemitsu Petrochemical Company Limited
    • Takashi Yamawaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing blown film of butene-1 polymer
    • Patent number 4,906,429
    • Issue date Mar 6, 1990
    • Idemitsu Petrochemical Company Limited
    • Takashi Yamawaki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Composition comprising ethylene-based polymers
    • Patent number 4,550,143
    • Issue date Oct 29, 1985
    • Idemitsu Petrochemical Co., Ltd.
    • Kenji Tanaka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...