Patents by Inventor Ju-Shun Yang

Ju-Shun Yang 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).

  • Spatial puzzle cube
    Patent number: 5823530
    Abstract: A spatial puzzle cube comprises a main body with six surfaces and eight corners. Each surface has a circular depression. Each corner has a triangular depression. A fixed disc with eight slide grooves is disposed in each circular depression. A rotated disc with eight recesses is disposed on each corresponding fixed disc. A fixed pyramid with three slide slots is disposed in each triangular depression. A rotated trilateral pyramid with three slots is disposed on each corresponding fixed pyramid.
    Type: Grant
    Filed: July 3, 1995
    Date of Patent: October 20, 1998
    Inventor: Ju-Shun Yang