Patents by Inventor Ya-Fang Zheng

Ya-Fang Zheng 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).

  • Earphone
    Patent number: D585870
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: February 3, 2009
    Assignee: Kye Systems Corp.
    Inventors: Ya-Fang Zheng, Yi-Zheng Su