Yuji Takeda

Person

  • Ibaraki, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for the production of phenylene ether oligomer

    • Patent number 7,838,618
    • Issue date Nov 23, 2010
    • Mitsubishi Gas Chemical Company, Inc.
    • Kiyonari Hiramatsu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for precipitation of polyphenylene ether

    • Patent number 7,342,088
    • Issue date Mar 11, 2008
    • ASAHI KASEI CHEMICALS CORPORATION
    • Shigero Yamamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Production process of polyphenylene ether

    • Patent number 6,586,567
    • Issue date Jul 1, 2003
    • Mitsubishi Gas Chemical Company Inc
    • Yuji Takeda
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Production process of polyphenylene ether

    • Patent number 6,521,735
    • Issue date Feb 18, 2003
    • Asahi Kasei Kabushiki Kaisha
    • Akira Mitsui
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Production process of polyphenylene ether

    • Patent number 6,489,439
    • Issue date Dec 3, 2002
    • Asahi Kasei Kabushiki Kaisha
    • Akira Mitsui
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Production method of polycarbonate

    • Patent number 5,777,064
    • Issue date Jul 7, 1998
    • Mitsubishi Gas Chemical Company, Inc.
    • Katsushige Hayashi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Process for the Production of Phenylene Ether Oligomer

    • Publication number 20090176962
    • Publication date Jul 9, 2009
    • Mitsubishi Gas Chemical Company, Inc.
    • Kiyonari Hiramatsu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Method for precipitation of polyphenylene ether

    • Publication number 20050131108
    • Publication date Jun 16, 2005
    • Shigeru Yamamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Production process of polyphenylene ether

    • Publication number 20020040126
    • Publication date Apr 4, 2002
    • Yuji Takeda
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Production process of polyphenylene ether

    • Publication number 20020013446
    • Publication date Jan 31, 2002
    • Akira Mitsui
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Production process of polyphenylene ether

    • Publication number 20020010314
    • Publication date Jan 24, 2002
    • Akira Mitsui
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...