Patents by Inventor Woochul JOEN

Woochul JOEN 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).

  • Publication number: 20120146096
    Abstract: Disclosed herein is a nitride based semiconductor device. There is provided a nitride based semiconductor device according to the exemplary embodiment of the present invention including: a base substrate, an epitaxial growth layer disposed on the base substrate and generating 2-dimensional electron gas (2DEG) therein, and an electrode structure disposed on the epitaxial growth layer and having an extension extending into the epitaxial growth layer to contact the 2-dimensional electron gas.
    Type: Application
    Filed: March 16, 2011
    Publication date: June 14, 2012
    Inventors: Younghwan PARK, Kiyeol PARK, Woochul JOEN