Patents by Inventor Tzu-Hung Yeh

Tzu-Hung Yeh 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).

  • POWER AMPLIFIERS TESTING SYSTEM AND RELATED TESTING METHOD
    Publication number: 20240142544
    Abstract: A testing system includes: a dividing circuit configured to receive a testing signal and provide a plurality of input signals according to the testing signal; and a plurality of integrated power-amplifiers coupled to the dividing circuit, each of the plurality of integrated power-amplifiers being configured to be tested by receiving a respective input signal of the plurality of input signals and generating a respective output signal for a predetermined testing time.
    Type: Application
    Filed: January 11, 2024
    Publication date: May 2, 2024
    Inventors: HSIEH-HUNG HSIEH, WU-CHEN LIN, YEN-JEN CHEN, TZU-JIN YEH
  • Shoe sole embossed composition and method
    Patent number: 4984320
    Abstract: A shoe sole lamination and method of lamination in which shoe sole portions composed of selected materials and low melting plastic inserts are laminated and then heat embossed. The method includes use of insulating inserts placed strategically in the mold to protect the plastic inserts against the heat and temperatures of embossing.
    Type: Grant
    Filed: April 17, 1989
    Date of Patent: January 15, 1991
    Assignee: Foot-Joy, Inc.
    Inventors: John J. Curley, Jr., Jui-Chiung Yang, Tzu-Hung Yeh