TREA

Kengo Kawahara

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Perfluoropolyether derivative
    • Patent number 7,388,114
    • Issue date Jun 17, 2008
    • Asahi Glass Company, Limited
    • Daisuke Shirakawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Perfluoropolyether derivative
    • Patent number 7,230,140
    • Issue date Jun 12, 2007
    • Asahi Glass Company, Limited
    • Daisuke Shirakawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    PERFLUOROPOLYETHER DERIVATIVE
    • Publication number 20070203366
    • Publication date Aug 30, 2007
    • ASAHI GLASS COMPANY LIMITED
    • Daisuke Shirakawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Perfluoropolyether derivative
    • Publication number 20050197408
    • Publication date Sep 8, 2005
    • ASAHI GLASS COMPANY LIMITED
    • Daisuke Shirakawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Method for producing a fluorinated ester compound by means of gas c...
    • Publication number 20030203501
    • Publication date Oct 30, 2003
    • ASAHI GLASS COMPANY LIMITED
    • Kengo Kawahara
    • C07 - ORGANIC CHEMISTRY