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).

  • Wearable Ankle Joint Motion Assist Device
    Publication number: 20250073111
    Abstract: An ankle joint motion assist device may include a foot accommodating portion on which a user's foot may be accommodated; a driver connected to the foot accommodating portion and providing driving force for rotation of the foot accommodating portion; and a connector rotatably connecting the foot accommodating portion and the driver, wherein the connector may include a first connector to which the foot accommodating portion is coupled, and a second connector to which the driver is coupled, the first connector may be rotatably connected to the second connector about a first rotation axis and a second rotation axis, perpendicular to each other, the driver may include a pair of linear motor modules respectively connected to the first connector through a pair of linkers, and both end portions of the pair of linkers may be rotatably connected to the pair of linear motor modules and the first connector.
    Type: Application
    Filed: January 30, 2024
    Publication date: March 6, 2025
    Inventors: Min Woong Jeung, Ju Young Yoon, Kuk Hyun Ahn, Seung Jun Lee, Hyun Seop Lim, Dong Hyun Lee
  • 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