Patents by Inventor Paul B.-L, Chou

Paul B.-L, Chou 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).

  • Automated defect classification system
    Patent number: 5544256
    Abstract: An integrated visual defect detection and classification system. The invention includes adaptive defect detection and image labeling, defect feature measures, and a knowledge based inference shell/engine for classification based on fuzzy logic. The combination of these elements comprises a method and system for providing detection and analysis of product defects in many application domains, such as semiconductor and electronic packaging manufacturing.
    Type: Grant
    Filed: October 22, 1993
    Date of Patent: August 6, 1996
    Assignee: International Business Machines Corporation
    Inventors: Virginia H. Brecher, Paul B.-L, Chou, Robert W. Hall, Debra M. Parisi, Ravishankar Rao, Stuart L. Riley, Martin C. Sturzenbecker