Patents by Inventor Robert C. Hsu

Robert C. Hsu 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).

  • Ink compiler for a two color printer
    Patent number: 5237425
    Abstract: A compiler for producing a catalog of colors for a printing system using two colorants, black plus a highlight color. The compiler executes the color programming language and constructs one or more catalogs of inks in the form of fonts, defines tiles, expands the tiles to form characters, and creates a printable listing/error sheet.
    Type: Grant
    Filed: September 6, 1991
    Date of Patent: August 17, 1993
    Assignee: Xerox Corporation
    Inventors: Joanne M Tagami, Robert C. Hsu