Patents by Inventor Hyun Jung Chang

Hyun Jung 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).

  • Manufacturing device having clamp unit
    Patent number: 9050693
    Abstract: A manufacturing device having a clamp unit according to an exemplary embodiment of the present invention may include a workpiece disposed on a frame, a clamp unit configured to fix the workpiece on the frame, and a spindle configured to a torque transferred from a motor to cut the workpiece or operates the clamp unit to make the clamp unit fix the workpiece on the frame.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: June 9, 2015
    Assignee: Hyundai Motor Company
    Inventors: Dong Sich Lim, Seung Chan Lee, Hong Sik Min, Hyun Jung Chang
  • MANUFACTURING DEVICE HAVING CLAMP UNIT
    Publication number: 20140117604
    Abstract: A manufacturing device having a clamp unit according to an exemplary embodiment of the present invention may include a workpiece disposed on a frame, a clamp unit configured to fix the workpiece on the frame, and a spindle configured to a torque transferred from a motor to cut the workpiece or operates the clamp unit to make the clamp unit fix the workpiece on the frame.
    Type: Application
    Filed: December 21, 2012
    Publication date: May 1, 2014
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Dong Sich Lim, Seung Chan Lee, Hong Sik Min, Hyun Jung Chang