Patents by Inventor Hee Myoung Cho

Hee Myoung Cho 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).

  • Heat treatment device for crank shaft
    Patent number: 9410219
    Abstract: A crankshaft heat treatment device may include a base frame, a jig frame in which a crankshaft is rotatably supported and that is disposed to be able to move in a horizontal direction and in a vertical direction at the base frame, and a laser unit that is disposed in a predetermined fixed position and irradiates laser beam to a pin portion and a journal portion of the crankshaft so as to treat the pin portion and the journal portion with heat.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: August 9, 2016
    Assignee: Hyundai Motor Company
    Inventors: Woojun Yoon, Hee Myoung Cho
  • HEAT TREATMENT DEVICE FOR CRANK SHAFT
    Publication number: 20140183174
    Abstract: A crankshaft heat treatment device may include a base frame, a jig frame in which a crankshaft is rotatably supported and that is disposed to be able to move in a horizontal direction and in a vertical direction at the base frame, and a laser unit that is disposed in a predetermined fixed position and irradiates laser beam to a pin portion and a journal portion of the crankshaft so as to treat the pin portion and the journal portion with heat.
    Type: Application
    Filed: December 19, 2013
    Publication date: July 3, 2014
    Applicant: Hyundai Motor Company
    Inventors: Woojun Yoon, Hee Myoung Cho