Patents by Inventor Chun (Samuel) Kuen Ko

Chun (Samuel) Kuen Ko 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).

  • Antenna device, and mobile communications device incorporating the antenna device
    Patent number: 6897808
    Abstract: A compact integrated antenna device is described which has two feed ports. The antenna device has a Y-shaped transmission plate spaced from a parallel grounded plate, and the feed ports are connected to the transmission plate at locations on the transmission plate which are on different branches of the Y-shape. The antenna device can be utilized in compact wireless communication handsets to provide diversity signals or act as a duplexer allowing the receive and transmit signals to be mutually isolated.
    Type: Grant
    Filed: August 28, 2000
    Date of Patent: May 24, 2005
    Assignee: The Hong Kong University of Science and Technology
    Inventors: Ross David Murch, Chun (Samuel) Kuen Ko