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Toshiya Shuin

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Patents Grantslast 30 patents

  • Information Patent Grant

    Plastic lens
    • Patent number 5,462,806
    • Issue date Oct 31, 1995
    • Nikon Corporation
    • Toshio Konishi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...