Patents by Inventor Jeng D. Yang

Jeng D. Yang 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).

  • Method and device for allocating core points of finger prints
    Patent number: 5140642
    Abstract: A method to automatically find out the actual position of the core point of a finger print by using the characteristic of the ridge flow of finger prints. This method comprises three parts: (1) ridge flow finding algorithm, (2) ridge flow correction algorithm and (3) core point allocation algorithm.
    Type: Grant
    Filed: April 23, 1991
    Date of Patent: August 18, 1992
    Assignee: Wen Hsing Hsu
    Inventors: Wen H. Hsu, Jeng D. Yang