Patents by Inventor Shine Chang

Shine Chang 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).

  • Diastolic pressure sensor
    Patent number: 4961429
    Abstract: An arterial pressure pulse is sensed and the next succeeding Korotkoff sound is sensed and the time lag between the two is measured. When the time lag between the two cannot be measured, the cuff pressure can be taken as a true measure of diastolic pressure.
    Type: Grant
    Filed: February 2, 1983
    Date of Patent: October 9, 1990
    Inventors: Kuo Wei Chang, Shine Chang