Patents by Inventor Donald Yiu

Donald Yiu 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).

  • Automatic NAM programming of radio telephone
    Patent number: 6052581
    Abstract: Apparatus for remotely programming a radio telephone with identification data. The apparatus receives and decodes DTMF signals indicative of the identification data and controls storage of the identification data at predetermined memory locations in the radio telephone.
    Type: Grant
    Filed: June 6, 1997
    Date of Patent: April 18, 2000
    Assignee: Nokia Mobile Phones Limited
    Inventors: Donal O'Connell, Tony McKillop, Donald Yiu, Alan Grimmett, Mike Butler