Patents by Inventor Jane Jia Liu

Jane Jia Liu 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).

  • Niobium powders and niobium electrolytic capacitors
    Patent number: 6420043
    Abstract: A flaked niobium powder is disclosed as well as electrolytic capacitors formed from the flaked niobium powders. Niobium powders having a BET surface area of at least about 0.50 m2/g are also disclosed and capacitors made therefrom, as well as niobium powders doped with an oxygen content of at least 2,000 ppm. Methods to reduce DC leakage in a niobium anode are also disclosed.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: July 16, 2002
    Assignee: Cabot Corporation
    Inventors: James A. Fife, Jane Jia Liu, Roger W. Steele
  • Niobium powders and niobium electrolytic capacitors
    Patent number: 6165623
    Abstract: A flaked niobium powder is disclosed as well as electrolytic capacitors formed from the flaked niobium powders. Niobium powders having a BET surface area of at least about 0.50 m.sup.2 /g are also disclosed and capacitors made therefrom, as well as niobium powders doped with an oxygen content of at least 2,000 ppm. Methods to reduce DC leakage in a niobium anode are also disclosed.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: December 26, 2000
    Assignee: Cabot Corporation
    Inventors: James A. Fife, Jane Jia Liu, Roger W. Steele