Patents by Inventor Kou-Yeng Chang

Kou-Yeng 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).

  • Publication number: 20090223086
    Abstract: The present invention relates to a shoe with sole having function of health care, characterized in that the top surface of the sole that touches the palm of foot is made low at front and back and arised in the middle to form a convex shape, so during wearing, because the top surface of sole is in touch with the palm of foot, it can fit snugly with the foot, such that the foot can evenly bear the weight of the body, then effectively avoid the bone of foot become skewed because of the feet is bearing unevenly the body weight, the above advantages can further corrects body posture, then enhances health of body.
    Type: Application
    Filed: March 7, 2008
    Publication date: September 10, 2009
    Inventor: Kou-Yeng Chang