Patents by Inventor Hsiang C. Yen

Hsiang C. Yen 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: 5572698
    Abstract: A system and method for flexibly and efficiently allowing multiple categories of data to be managed using a circular stack containing pointers pointing to memory resources within a memory resource area. The pointers to these memory resources can be obtained sequentially only from a first part of the circular stack, but can be placed into the circular stack at different locations depending upon the characterization of the memory resources that the pointers are associated with. The system and method is used, for example, within a private branch exchange (PBX).
    Type: Grant
    Filed: April 18, 1994
    Date of Patent: November 5, 1996
    Assignee: Rolm Company
    Inventors: Hsiang C. Yen, Vasudha N. Bhaskara