TREA

Heidi Yee Yan Wong

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  • Hong Kong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Writing system
    • Patent number 7,508,384
    • Issue date Mar 24, 2009
    • Daka Research Inc.
    • Guanglie Zhang
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Writing system with camera
    • Publication number 20090183929
    • Publication date Jul 23, 2009
    • Guanglie Zhang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Writing system
    • Publication number 20060279549
    • Publication date Dec 14, 2006
    • Guanglie Zhang
    • G06 - COMPUTING CALCULATING COUNTING