Patents by Inventor Hui-Min Chai

Hui-Min Chai 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).

  • Electrical capacitor having an improved dielectric system
    Patent number: 4320034
    Abstract: An electrical capacitor having an improved dielectric system. The capacitor includes layers of metal foil and a dielectric sheet material which is impregnated with a liquid dielectric composition composed of a mixture of methyl diphenyl ethane and a lower alkyl diphenyl.
    Type: Grant
    Filed: October 12, 1979
    Date of Patent: March 16, 1982
    Assignee: McGraw-Edison Company
    Inventors: John Lapp, Marco J. Mason, Gary A. Gauger, Hui-Min Chai