Patents by Inventor Chang Yih-Jong

Chang Yih-Jong 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).

  • Patent number: 5382222
    Abstract: A massaging device including a massaging pad having a spherical surface on which there are a recess and a plurality of hollow protuberances around the recess, a plurality of magnets each mounted into one of the hollow protuberances and the recess, a bottom cover mounted on the bottom cover of the massaging pad, and a retainer having a chain engaged with the hook of massaging pad, whereby the device may be conveniently used to scrape certain parts of the body to obtain relief from nausea or sunstroke, or massage the palm or sole.
    Type: Grant
    Filed: December 9, 1992
    Date of Patent: January 17, 1995
    Inventor: Chang Yih-Jong
  • Patent number: 5143056
    Abstract: This invention relates to a massaging sleeve and in particular to one which includes a pair of cylindrical members having a body with a flange at both ends, a packing fitted into the recess of the flange, a pair of pads each covered on one of the cylindrical members and a plurality of equidistant holes adapted to receive the protuberances of the cylindrical member, a plurality of magnets each fitted into one of the hollow protuberances of the cylindrical members, and two retainers for connecting the pads and the cylindrical members together.
    Type: Grant
    Filed: July 30, 1991
    Date of Patent: September 1, 1992
    Inventor: Chang Yih-Jong