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Hiroteru Okumura

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Patents Grantslast 30 patents

  • Information Patent Grant

    Biaxially oriented polyester film
    • Patent number 6,582,813
    • Issue date Jun 24, 2003
    • Mitsubishi Polyester Film Corporation
    • Hiroteru Okumura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents