Patents by Inventor Heather K. Izumi

Heather K. Izumi 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).

  • Silver vanadium oxide-fluoride material useful as a battery cathode
    Patent number: 7790317
    Abstract: Metal oxide-fluoride material including silver, vanadium, oxygen and fluorine, such as Ag4V2O6F2, is made and useful as a cathode for a battery. The material is made by subjecting silver oxide, vanadium oxide, and aqueous solution of HF to superambient temperature in a pressure vessel.
    Type: Grant
    Filed: August 24, 2005
    Date of Patent: September 7, 2010
    Assignee: Northwestern University
    Inventors: Kenneth R. Poeppelmeier, Heather K. Izumi, Erin M. Sorensen, John T. Vaughey