Patents by Inventor Soo K. Koh

Soo K. Koh 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: 4948709
    Abstract: A method of producing business cards, name cards and the like in color comprising pictures as well as or instead of text, in which complete artwork, comprising pictures, symbols, logos, numerical and/or alphabetic characters, in color and in any desired arrangement, is copied as a single color negative; the exposed color negative is processed, the processed color negative is printed onto color photographic paper, and the latter after processing is cut to size to provide the desired number of cards in color. The exposed color negative is processed in a manner providing very high-contrast. Only a single medium namely the color negative is used as an intermediate between the artwork and the finished card.
    Type: Grant
    Filed: April 26, 1989
    Date of Patent: August 14, 1990
    Assignee: Color Processing System SDN BHD.
    Inventors: Soo L. Koh, Soo K. Koh, Soo H. Koh