Patents by Inventor Jung H. Tsao

Jung H. Tsao 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).

  • Solid-capped liquid photopolymer printing elements
    Patent number: 5976765
    Abstract: Multilayer printing plates having layers with differing moduli are made by exposing through a photographic negative a plurality of layers comprising a solid photocurable cap and al least one liquid photocurable layer.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: November 2, 1999
    Assignee: Polyfibron Technologies, Inc.
    Inventors: Ronald J. Kumpfmiller, Martin L. Carter, Jung H. Tsao, William K. Goss, Michael W. Yang