Patents by Inventor Ho-Cheng Tai

Ho-Cheng Tai 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: 20080098912
    Abstract: In a process for producing a printed design creating 3D visual effect, a compound consisting of a printing ink blended with magnetic particles is used. The printing ink containing the magnetic particles is applied onto a printing plate on a printing apparatus, and a tool capable of producing a required magnetic force is positioned at a predetermined area of the applied printing ink, so that the magnetic particles in the printing ink are attracted and gathered to form ups and downs in the area and create a 3D visual effect.
    Type: Application
    Filed: October 30, 2006
    Publication date: May 1, 2008
    Inventor: Ho-Cheng Tai