Patents by Inventor Yu-Shi Wong

Yu-Shi Wong 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).

  • Pins for semiconductor device
    Patent number: 8469753
    Abstract: A pin for a semiconductor device is disclosed. A connection head includes a plurality of curved protruded ribs and a plurality of recessed grooves. The curved protruded ribs and recessed grooves are alternately arranged. The curved protruded ribs radially extend from the center of the connection head. A pin stem is connected to the connection head.
    Type: Grant
    Filed: November 25, 2011
    Date of Patent: June 25, 2013
    Assignee: Nan Ya PCB Corp.
    Inventors: Shih-Tsung Lin, Yu-Shi Wong, Tzu-Yuan Hsu, Yu-Wei Chen
  • PINS FOR SEMICONDUCTOR DEVICE
    Publication number: 20130095709
    Abstract: A pin for a semiconductor device is disclosed. A connection head includes a plurality of curved protruded ribs and a plurality of recessed grooves. The curved protruded ribs and recessed grooves are alternately arranged. The curved protruded ribs radially extend from the center of the connection head. A pin stem is connected to the connection head.
    Type: Application
    Filed: November 25, 2011
    Publication date: April 18, 2013
    Applicant: NAN YA PCB CORP.
    Inventors: Shih-Tsung Lin, Yu-Shi Wong, Tzu-Yuan Hsu, Yu-Wei Chen