Patents by Inventor Pyung-Hwan Ryu

Pyung-Hwan 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).

  • Hydraulic control system for automatic transmissions
    Patent number: 5984818
    Abstract: Disclosed is a hydraulic control system for automatic transmissions.
    Type: Grant
    Filed: November 18, 1998
    Date of Patent: November 16, 1999
    Assignee: Hyundai Motor Company
    Inventor: Pyung-Hwan Ryu