Patents by Inventor Nai-Chung Chang

Nai-Chung Chang 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).

  • Gait training device
    Publication number: 20110077562
    Abstract: The invention discloses a gait training device for people with walking disability. Using motors and six-bar linkage mechanism, the invention can guide users' ankles to follow preferred gait trajectories, and thus help people with walking disability practice correct gaits.
    Type: Application
    Filed: February 24, 2010
    Publication date: March 31, 2011
    Applicant: National Taiwan University
    Inventors: Fu-cheng Wang, Chung-Huang Yu, Nai-Chung Chang, Tai-yu Chou