Patents by Inventor Kenneth Robert Elliott

Kenneth Robert Elliott 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).

  • Heterojunction bipolar transistor and method to make a heterojunction bipolar transistor
    Patent number: 7368764
    Abstract: A heterojunction bipolar transistor and a method of making a heterojunction bipolar transistor. The heterojunction bipolar transistor includes: a regrown emitter region; an intrinsic base region forming a junction with the regrown emitter region; and an extrinsic base region separated from the regrown emitter region. The thickness of the extrinsic base region is greater than the thickness of the intrinsic base region.
    Type: Grant
    Filed: April 18, 2005
    Date of Patent: May 6, 2008
    Assignee: HRL Laboratories, LLC
    Inventors: Stephen Thomas, III, Kenneth Robert Elliott, David Chow
  • High efficiency, high output drive current switch with application to digital to analog conversion
    Patent number: 6593869
    Abstract: A high unity current gain frequency composite switching device, having high voltage compliance and capable of handling high power signals. A current switch comprising of the composite switching devices including a switch stage implemented in a InP-HBT technology and a cascode stage implemented in a GaN FET technology. A digital-to-analog converter comprising a plurality of the current switches, wherein selected output of the switches are electrically coupled to form an output of the digital-to-analog converter.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: July 15, 2003
    Assignee: HRL Laboratories, LLC
    Inventor: Kenneth Robert Elliott