Patents by Inventor Man-Kit Leung

Man-Kit Leung 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: 5545509
    Abstract: The present invention relates to an improved lithographic photoresist composition comprising a photosensitive base generator. The composition is useful in the manufacture of integrated circuits.
    Type: Grant
    Filed: February 1, 1994
    Date of Patent: August 13, 1996
    Assignee: International Business Machines Corporation
    Inventors: James F. Cameron, Jean M. J. Frechet, Man-Kit Leung, Claus-Peter Niesert, Scott A MacDonald, Carlton G. Willson