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Takafumi Hirakawa

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  • Ube-shi, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    PROCESS FOR PRODUCING POLYIMIDE SILOXANE SOLUTION COMPOSITION, AND...
    • Publication number 20120157574
    • Publication date Jun 21, 2012
    • Ube Industries, Ltd.
    • Susumu Takasaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    POLYMERIZABLE COMPOSITION AND POLYTHIOCARBONATE POLYTHIOETHER
    • Publication number 20090306334
    • Publication date Dec 10, 2009
    • Ube Industries, Ltd.
    • Masanori Watanabe
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    POLYTHIOCARBONATEPOLY(THIO)EPOXIDE
    • Publication number 20090299030
    • Publication date Dec 3, 2009
    • UBE INDUSTRIES, LTD.
    • Masanori Watanabe
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Polythiourethane
    • Publication number 20080058477
    • Publication date Mar 6, 2008
    • Ube Industries, Ltd. a Corporation 1978-96
    • Masanori Watanabe
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Polythiocarbonate polythiol
    • Publication number 20070129530
    • Publication date Jun 7, 2007
    • Ube Industries, Ltd. a corporation of Japan
    • Masanori Watanabe
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...