Patents by Inventor Sun-kyu Yang

Sun-kyu Yang 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).

  • Steerable inline skate
    Patent number: 7104549
    Abstract: A steerable inline skate which allows user to change direction more easily and reduce the abrasion of wheels to thus lengthen the life of the wheels by allowing front and rear wheels 30 and 50 among a plurality of wheels arranged in a line to be steered within a predetermined angle utilizing the structure of a trapezoidal linkage.
    Type: Grant
    Filed: June 6, 2003
    Date of Patent: September 12, 2006
    Assignee: Microinspection Inc.
    Inventors: Tak Eun, Sun-kyu Yang
  • Steerable inline skate
    Publication number: 20030227143
    Abstract: The present invention relates to a steerable inline skate which allows user to change direction more easily and reduce the abrasion of wheels to thus lengthen the life of the wheels by allowing front and rear wheels 30 and 50 among a plurality of wheels arranged in a line to be steered within a predetermined angle utilizing the structure of a trapezoidal linkage.
    Type: Application
    Filed: June 6, 2003
    Publication date: December 11, 2003
    Inventors: Tak Eun, Sun-kyu Yang