Patents by Inventor Yung S. Son

Yung S. Son 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).

  • Fabrication method and structure of optical waveguides
    Patent number: 5018809
    Abstract: An optical waveguide fabrication technique utilizing a self-aligned cladding, in which an efficient and reliable optical waveguide can be fabricated with minimum proton exchange; the guided mode property of the optical waveguide can be widely adjusted; and the optical waveguides can be fabricated in various types.
    Type: Grant
    Filed: July 24, 1990
    Date of Patent: May 28, 1991
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Sang Y. Shin, Yung S. Son