Patents by Inventor Si Tak S. Chia

Si Tak S. Chia 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).

  • Mobile radio handover initiation determination
    Patent number: 5491834
    Abstract: An intelligent mobile radio unit is served by one of a network of macrocells and microcells.
    Type: Grant
    Filed: August 27, 1993
    Date of Patent: February 13, 1996
    Assignee: British Telecommunications public limited company
    Inventor: Si Tak S. Chia