TREA

Stephen Tsz-sek Lee

Follow

Person

  • Hong Kong, HK
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Dimmable electronic ballast
    • Patent number 6,545,431
    • Issue date Apr 8, 2003
    • City University of Hong Kong
    • Ron Shu-yuen Hui
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Dimmable electronic ballast
    • Publication number 20020033679
    • Publication date Mar 21, 2002
    • Ron Shu-Yuen Hui
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...