Patents by Inventor Ching H. Chou

Ching H. Chou 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).

  • Acoustic transducer for acoustic microscopy
    Patent number: 4909082
    Abstract: A shear acoustic transducer-lens system in which a shear polarized piezoelectric material excites shear polarized waves at one end of a buffer rod having a lens at the other end which excites longitudinal waves in a coupling medium by mode conversion at selected locations on the lens.
    Type: Grant
    Filed: December 6, 1988
    Date of Patent: March 20, 1990
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Butrus T. Khuri-Yakub, Ching H. Chou