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Kohji Okada

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Patents Grantslast 30 patents

  • Information Patent Grant

    Diamine and acid anhydride
    • Patent number 6,689,899
    • Issue date Feb 10, 2004
    • Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    • Kohji Okada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyimide composition and process for producing the same
    • Patent number 6,307,002
    • Issue date Oct 23, 2001
    • Kaneka Corporation
    • Kohji Okada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyimide compositions
    • Patent number 6,303,742
    • Issue date Oct 16, 2001
    • Kanekafuchi Kagaku Kogyo Kabushiki Kaisha
    • Kohji Okada
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Polyimide composition and base tape for TAB carrier tape and flexib...
    • Patent number 6,031,068
    • Issue date Feb 29, 2000
    • Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    • Kohji Okada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Diamine and acid anhydride
    • Publication number 20020019558
    • Publication date Feb 14, 2002
    • KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHA
    • Kohji Okada
    • C07 - ORGANIC CHEMISTRY