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Akinori Maekawa

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  • Ichihara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polypropylene series resin sheet
    • Patent number 6,555,244
    • Issue date Apr 29, 2003
    • Chisso Corporation
    • Toshiki Yamamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polypropylene series resin sheet
    • Patent number 6,495,632
    • Issue date Dec 17, 2002
    • Chisso Corporation
    • Toshiki Yamamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents