TREA

Yiu Hung Li

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  • Kowloon, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Finder housing
    • Patent number 7,020,392
    • Issue date Mar 28, 2006
    • IDT Data System Limited
    • Raymond Chan
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electronic equipment and camera
    • Patent number 6,965,734
    • Issue date Nov 15, 2005
    • IDT Data System Limited
    • Raymond Chan
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Collapsible lens barrel
    • Patent number 6,943,963
    • Issue date Sep 13, 2005
    • IDT Data System Limited
    • Raymond Chan
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRICAL APPARATUSES
    • Publication number 20230283093
    • Publication date Sep 7, 2023
    • GP Electronics (HK) Limited
    • Yiu Cheung Brian Li
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Collapsible lens barrel
    • Publication number 20040263999
    • Publication date Dec 30, 2004
    • Raymond Chan
    • G02 - OPTICS
  • Information Patent Application

    Electronic equipment and camera
    • Publication number 20040264953
    • Publication date Dec 30, 2004
    • Raymond Chan
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Finder housing
    • Publication number 20040240876
    • Publication date Dec 2, 2004
    • Raymond Chan
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE