Patents by Inventor Karl Hirschman

Karl Hirschman 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).

  • METHODS OF MAKING ENERGY CONVERSION DEVICES WITH A SUBSTANTIALLY CONTIGUOUS DEPLETION REGIONS
    Publication number: 20070134840
    Abstract: A method of making an energy conversion device includes forming a plurality of pores within a substrate and forming a junction region within each of the plurality of pores. Each of the junction regions has a depletion region and each of the plurality of pores defines an opening size in the substrate and a spacing from adjacent pores so that the depletion regions of each of the pores is at least substantially in contact with the depletion region of the pores which are adjacent.
    Type: Application
    Filed: October 25, 2005
    Publication date: June 14, 2007
    Inventors: Larry Gadeken, Wei Sun, Nazir Kherani, Philippe Fauchet, Karl Hirschman