TREA

Hongtao Gao

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  • Chengdu, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Customizing equipment for individualized contact lenses
    • Patent number 8,061,841
    • Issue date Nov 22, 2011
    • Institute of Optics & Electronics, Chinese Academy of Sciences
    • Yudong Zhang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Customizing equipment for individualized contact lenses
    • Publication number 20080062390
    • Publication date Mar 13, 2008
    • Institute of Optics and Electronics, Chinese Academy of Sciences
    • Yudong Zhang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL