Patents by Inventor Hyoun Sook Choe

Hyoun Sook Choe 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).

  • Battery comprising manganese dioxide having a high power coefficient
    Patent number: 6509117
    Abstract: A battery, a primary alkaline battery, has a cathode including manganese dioxide, carbon, and a binder. The manganese dioxide is selected to have a high power coefficient to provide the battery capable of high current discharge.
    Type: Grant
    Filed: May 1, 2000
    Date of Patent: January 21, 2003
    Assignee: The Gillette Company
    Inventors: William Bowden, Klaus Brandt, James J. Cervera, Hyoun Sook Choe, Rimma A. Sirotina, Joseph Sunstrom
  • Method of selecting manganese dioxide for use in a cathode
    Patent number: 6440181
    Abstract: A method of making a cathode includes determining a sample of manganese dioxide having a power coefficient greater than about 3.4, and incorporating the sample of manganese dioxide into the cathode. The cathode can be incorporated into a battery, e.g., a cylindrical primary alkaline battery.
    Type: Grant
    Filed: May 1, 2000
    Date of Patent: August 27, 2002
    Assignee: The Gillette Company
    Inventors: William Bowden, Klaus Brandt, James J. Cervera, Hyoun Sook Choe, Rimma A. Sirotina, Joseph Sunstrom