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Wongsewattana Prasert

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  • Thanyaburi, TH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plastic lens manufacturing method
    • Patent number 9,616,598
    • Issue date Apr 11, 2017
    • Hoya Corporation
    • Norkaew Suphavit
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    PLASTIC LENS MANUFACTURING METHOD
    • Publication number 20130187300
    • Publication date Jul 25, 2013
    • HOYA LENS THAILAND LTD.
    • Norkaew Suphavit
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL