Patents by Inventor Kuk-Hyun Ahn

Kuk-Hyun Ahn 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).

  • Power train for hybrid electric vehicles and method of controlling the same
    Patent number: 7481733
    Abstract: A power train for hybrid vehicles increases the range of the transmission gear ratio within which the efficiency of the power train is superior. Furthermore, the method of operating the power train varies depending on the transmission gear ratio, and thus the power train can be operated with superior efficiency.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: January 27, 2009
    Assignee: Hyundai Motor Company
    Inventors: Sung-Tae Cho, Jang-Moo Lee, Kuk-Hyun Ahn
  • Power train for hybrid electric vehicles and method of controlling the same
    Publication number: 20070287565
    Abstract: A power train for hybrid vehicles increases the range of the transmission gear ratio within which the efficiency of the power train is superior. Furthermore, the method of operating the power train varies depending on the transmission gear ratio, and thus the power train can be operated with superior efficiency.
    Type: Application
    Filed: December 26, 2006
    Publication date: December 13, 2007
    Inventors: Sung-Tae Cho, Jang-Moo Lee, Kuk-Hyun Ahn