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Nobuhide Ishihara

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Patents Grantslast 30 patents

  • Information Patent Grant

    Olefin/aromatic vinyl copolymer, process for production thereof, re...
    • Patent number 8,461,270
    • Issue date Jun 11, 2013
    • Idemitsu Kosan Co., Ltd.
    • Nobuhide Ishihara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Alpha-olefin-aromatic vinyl copolymer
    • Patent number 6,939,929
    • Issue date Sep 6, 2005
    • Idemitsu Kosan Co. Ltd.
    • Kiyohiko Yokota
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst for olefin/styrene copolymerization, and process for produ...
    • Patent number 6,838,409
    • Issue date Jan 4, 2005
    • Idemitsu Petrochemical Co., Ltd.
    • Nobuhiro Yabunouchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Olefin copolymers and films and sheets
    • Patent number 6,696,527
    • Issue date Feb 24, 2004
    • Idemitsu Petrochemical Co. Ltd.
    • Kiyohiko Yokota
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for production of styrene polymers
    • Patent number RE35289
    • Issue date Jul 2, 1996
    • Idemitsu Kosan Company Limited
    • Nobuhide Ishihara
    • 526 - Synthetic resins or natural rubbers
  • Information Patent Grant

    Syndiotactic styrene polymers
    • Patent number 5,502,133
    • Issue date Mar 26, 1996
    • Idemitsu Kosan Company Limited
    • Nobuhide Ishihara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Production process of olefin based polymers
    • Patent number 5,369,196
    • Issue date Nov 29, 1994
    • Idemitsu Kosan Co., Ltd.
    • Junichi Matsumoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Syndiotactic styrene polymers
    • Patent number 5,252,693
    • Issue date Oct 12, 1993
    • Idemitsu Kosan Company Limited
    • Nobuhide Ishihara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing syndiotactic styrene copolymer
    • Patent number 5,189,125
    • Issue date Feb 23, 1993
    • Idemitsu Kosan Co., Ltd.
    • Nobuhide Ishihara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing propylene based oligomers
    • Patent number 5,171,919
    • Issue date Dec 15, 1992
    • Idemitsu Kosan Co., Ltd.
    • Masami Watanabe
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for production of styrene polymers
    • Patent number 4,990,580
    • Issue date Feb 5, 1991
    • Idemitsu Kosan Company Limited
    • Nobuhide Ishihara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for production of styrene polymers
    • Patent number 4,680,353
    • Issue date Jul 14, 1987
    • Idemitsu Kosan Company Limited
    • Nobuhide Ishihara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents