Patents by Inventor Merry Anna Koschan

Merry Anna Koschan 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).

  • Patent number: 8617422
    Abstract: Crystals with improved scintillation and optical properties are achieved by codoping with a trivalent dopant and a divalent and/or a monovalent dopant. Embodiments include codoping LSO, YSO, GSO crystals and LYSO, LGSO, and LYGSO crystals. Embodiments also include codoped crystals with a controlled monovalent or divalent:trivalent dopant ratio of from about 1:1 for increased light yield to about 4:1 for faster decay time.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: December 31, 2013
    Assignees: Siemens Medical Solutions USA, Inc., University of Tennessee Research Foundation
    Inventors: Merry Anna Koschan, Charles L. Melcher, Lars A. Erikkson, Harold E. Rothfuss