Patents by Inventor Yun-Fu Tsai

Yun-Fu Tsai 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).

  • Patent number: 7510411
    Abstract: An electrical connector comprises a dielectric housing which comprises a base portion, a plurality of contact receiving recesses, and engaging holes in diagonal corners thereof; a plurality of conductive contacts retained in said contact receiving recesses; a pick up comprising first engaging pole and second engaging pole corresponding to said engaging holes; each of the first and second engaging poles having a shape of a circular cylinder with a plurality of ribs on a circular surface thereof; said first engaging pole having at least three ribs while said second engaging pole having at least two ribs; the line joining the center of said first engaging pole and the center of said second engaging pole being perpendicular to the line joining the centers of said two ribs of said second engaging pole.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: March 31, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Tsu-Yang Wu, Yun-Fu Tsai, Sheng-Ko Chen
  • Publication number: 20080090442
    Abstract: An electrical connector comprises a dielectric housing which comprises a base portion, a plurality of contact receiving recesses, and engaging holes in diagonal corners thereof; a plurality of conductive contacts retained in said contact receiving recesses; a pick up comprising first engaging pole and second engaging pole corresponding to said engaging holes; each of the first and second engaging poles having a shape of a circular cylinder with a plurality of ribs on a circular surface thereof; said first engaging pole having at least three ribs while said second engaging pole having at least two ribs; the line joining the center of said first engaging pole and the center of said second engaging pole being perpendicular to the line joining the centers of said two ribs of said second engaging pole.
    Type: Application
    Filed: October 15, 2007
    Publication date: April 17, 2008
    Inventors: Tsu-Yang Wu, Yun-Fu Tsai, Sheng-Ko Chen
  • Patent number: 6254440
    Abstract: A connection terminal for use with a flat flexible connector comprises a base defining first and second sides. A pair of cantilevered arms extends forward from the base. Each arm forms a contact portion at a free end thereof. Characterized in that the contact portion has reduced thickness than the rest of the terminal.
    Type: Grant
    Filed: December 7, 1998
    Date of Patent: July 3, 2001
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: David Tso-Chin Ko, Dick Lee, Eric Juntwait, Yun-Fu Tsai