Patents by Inventor Ping-Feng Liu

Ping-Feng Liu 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).

  • Publication number: 20130300260
    Abstract: A piezoelectric device includes: a base having a top surface, and first and second marginal ends; first and second supporting stands protruding from the top surface of the base; an adhesive applied to and filled between the first and second supporting stands; and a piezoelectric resonator including a mounting part having outer and inner sections respectively bonded to the first and second supporting stands, and a middle section bonded to the adhesive, and a resonant arm extending from the inner section toward the second marginal end in a cantilever fashion.
    Type: Application
    Filed: May 7, 2013
    Publication date: November 14, 2013
    Inventor: Ping-Feng Liu