Patents by Inventor James A. Villarreal

James A. Villarreal 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).

  • Neural network for processing both spatial and temporal data with time based back-propagation
    Patent number: 5253329
    Abstract: Neural network algorithms have impressively demonstrated the capability of modelling spatial information. On the other hand, the application of parallel distributed models to processing of temporal data has been severely restricted. The invention introduces a novel technique which adds the dimension of time to the well known back-propagatioORIGIN OF THE INVENTIONThe invention described herein was made by employees of the United States Government and ma be manufactured and used by or for the Government of the United States of America for governmental purposes without payment of any royalties thereon or therefor.
    Type: Grant
    Filed: December 26, 1991
    Date of Patent: October 12, 1993
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: James A. Villarreal, Robert O. Shelton