Patents by Inventor Yeong-Chang Yoo

Yeong-Chang Yoo 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).

  • Cathode active material for lithium electrochemical cells
    Patent number: 6753110
    Abstract: The invention disclosed relates to a compound of molecular formula LixCryMn2−yO4+z, wherein 2.2<x<4, 0<y<2 and z≧0, and to the use of this compound as a cathode material in secondary lithium and lithium ion cells.
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: June 22, 2004
    Assignee: National Research Council of Canada
    Inventors: Yeong-Chang Yoo, Do-Young Seung, Isobel Davidson