Patents by Inventor Sangik Ryu

Sangik Ryu 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).

  • Planetary gear set
    Patent number: 8251860
    Abstract: A planetary gear set includes: a sun gear, a plurality of planetary gears externally meshed with the sun gear, and a carrier that interconnects the plurality of planetary gears such that the plurality of planetary gears revolve around a exterior circumference of the sun gear, and an arrangement of the plurality of planetary gears is rotationally non-symmetrical.
    Type: Grant
    Filed: June 3, 2008
    Date of Patent: August 28, 2012
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Hyun Ku Lee, Wang Kweon Lee, Moosuk Kim, Sangik Ryu
  • Planetary gear set
    Publication number: 20090156353
    Abstract: A planetary gear set includes: a sun gear, a plurality of planetary gears externally meshed with the sun gear, and a carrier that interconnects the plurality of planetary gears such that the plurality of planetary gears revolve around a exterior circumference of the sun gear, and an arrangement of the plurality of planetary gears is rotationally non-symmetrical.
    Type: Application
    Filed: June 3, 2008
    Publication date: June 18, 2009
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Hyun Ku Lee, Wang Kweon Lee, Moosuk Kim, Sangik Ryu