Patents by Inventor Dean A. Ujihara

Dean A. Ujihara 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 apparatus for filtering and routing communications frames
    Patent number: 6359886
    Abstract: A method and apparatus for sorting and classifying communications frames received over a network prior to delivery, using a collection of filters arranged as a decision-making tree with destinations for the frames as the leaves of the tree.
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: March 19, 2002
    Assignee: Compaq Computer Corporation
    Inventors: Dean A. Ujihara, Leonard R. Fishler, Richard Mayfield, Bahman Zargham