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Masayuki Yamazaki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Ethylene polymers
    • Patent number 6,953,831
    • Issue date Oct 11, 2005
    • Japan Polychem Corporation
    • Yoshiyuki Ishihama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Ethylene polymer
    • Publication number 20040048993
    • Publication date Mar 11, 2004
    • Yoshiyuki Ishihama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...