Patents by Inventor Greg D. Barber

Greg D. Barber 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).

  • Method of preparing nitrogen containing semiconductor material
    Patent number: 6787385
    Abstract: A method of combining group III elements with group V elements that incorporates at least nitrogen from a nitrogen halide for use in semiconductors and in particular semiconductors in photovoltaic cells.
    Type: Grant
    Filed: February 5, 2003
    Date of Patent: September 7, 2004
    Assignee: Midwest Research Institute
    Inventors: Greg D. Barber, Sarah R. Kurtz
  • Method of preparing nitrogen containing semiconductor material
    Publication number: 20030155584
    Abstract: A method of combining group III elements with group V elements that incorporates at least nitrogen from a nitrogen halide for use in semiconductors and in particular semiconductors in photovoltaic cells.
    Type: Application
    Filed: February 5, 2003
    Publication date: August 21, 2003
    Inventors: Greg D. Barber, Sarah R. Kurtz