Patents by Inventor Tsz Ying Yu

Tsz Ying Yu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Bluetooth earbud
    Patent number: D619566
    Type: Grant
    Filed: October 7, 2009
    Date of Patent: July 13, 2010
    Assignee: Hutchison Harbour Ring Enterprises Limited
    Inventor: Tsz Ying Yu