Patents by Inventor David L. Hwang

David L. Hwang 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).

  • Chromium complex with insulin-like activity
    Patent number: 7297686
    Abstract: A chromium complex for use in treating metabolic disorders, particularly Type 1 and Type 2 diabetes.
    Type: Grant
    Filed: December 23, 2004
    Date of Patent: November 20, 2007
    Inventors: David L. Hwang, Bingrong Liu
  • Graphit-ceramic RF Faraday-thermal shield and plasma limiter
    Patent number: 4858817
    Abstract: The present invention is directed to a process of brazing a ceramic mater to graphite. In particular, the brazing procedure is directed to the production of a novel brazed ceramic graphite product useful as a Faraday shield.
    Type: Grant
    Filed: May 5, 1983
    Date of Patent: August 22, 1989
    Assignee: The United States of America as represented by the Department of Energy
    Inventors: David L. Hwang, Joel C. Hosea