Patents by Inventor Brett Graeme Ammundsen

Brett Graeme Ammundsen 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).

  • Lithiated oxide materials and methods of manufacture
    Patent number: 6660432
    Abstract: A single phase cathodic material for use in an electrochemical cell represented by the formula: Li[LixCoyA1−x−y]O2 wherein A=[MnzNi1−z]; wherein x is a numerical value ranging from approximately 0.00 to approximately 0.16; wherein y is a numerical value ranging from approximately 0.1 to approximately 0.30; wherein z is a numerical value ranging from approximately 0.40 to approximately 0.65; and wherein Lix is included in transition metal layers of the structure and/or wherein the material comprises a layered R-3m crystal structure having a c/a ratio greater than approximately 1.012.
    Type: Grant
    Filed: March 6, 2001
    Date of Patent: December 9, 2003
    Assignee: Ilion Technology Corporation
    Inventors: Jens Martin Paulsen, Loan Yen Kieu, Brett Graeme Ammundsen
  • Lithiated oxide materials and methods of manufacture
    Publication number: 20030022063
    Abstract: A single phase cathodic material for use in an electrochemical cell represented by the formula:
    Type: Application
    Filed: March 6, 2001
    Publication date: January 30, 2003
    Inventors: Jens Martin Paulsen, Loan Yen Kieu, Brett Graeme Ammundsen