Patents by Inventor Tamer Karduman

Tamer Karduman 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).

  • GUNN DIODE
    Publication number: 20100163837
    Abstract: A Gunn diode includes an active layer having a top and a bottom, a first contact layer disposed adjacent to the top of the active layer, a second contact layer disposed adjacent to the bottom of the active layer, wherein the first and second contact layers are more heavily doped than the active layer, and at least one outer contact layer disposed at an outer region of at least one of the first and second contact layers, the at least one outer contact layer being more heavily doped than the first and second contact layers, wherein the first and second contact layers, the active layer, and the at least one outer contact layer include a base material that is the same.
    Type: Application
    Filed: January 31, 2008
    Publication date: July 1, 2010
    Applicant: Technische Universitaet Darmstadt
    Inventors: Oktay Yilmazoglu, Kabula Mutamba, Dimitris Pavlidis, Tamer Karduman