Patents by Inventor Yu-Ki Chang

Yu-Ki 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).

  • Electric power connector
    Patent number: 7488217
    Abstract: In an electric power connector comprised of a plug module and a socket module, a male metal terminals of the plug module and a female metal terminals of the socket module are respectively made out of a respective solid metal plate member through a continuous stamping process, and each male metal terminal has a base and two contact prongs bilaterally extended from one side of the base at different elevations, therefore the electric power connector eliminates electron ionization or thermal stress in the metal terminals, ensuring high stability and reliability of metal terminals in power transmission.
    Type: Grant
    Filed: June 6, 2007
    Date of Patent: February 10, 2009
    Assignee: Alltop Technology Co., Ltd
    Inventors: I-Hung Cheng, Yu-Ki Chang
  • ELECTRIC POWER CONNECTOR
    Publication number: 20080305691
    Abstract: In an electric power connector comprised of a plug module and a socket module, a male metal terminals of the plug module and a female metal terminals of the socket module are respectively made out of a respective solid metal plate member through a continuous stamping process, and each male metal terminal has a base and two contact prongs bilaterally extended from one side of the base at different elevations, therefore the electric power connector eliminates electron ionization or thermal stress in the metal terminals, ensuring high stability and reliability of metal terminals in power transmission.
    Type: Application
    Filed: June 6, 2007
    Publication date: December 11, 2008
    Applicant: ALLTOP TECHNOLOGY CO., LTD.
    Inventors: I-Hung Cheng, Yu-Ki Chang