Patents by Inventor Choongyun Paul Kim

Choongyun Paul Kim 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).

  • Fe-base in-situ composite alloys comprising amorphous phase
    Patent number: 7618499
    Abstract: An Fe-base in-situ composite alloy, castable into 3-dimensional bulk objects, where the alloy includes a matrix having one or both of a nano-crystalline phase and an amorphous phase, and a face-centered cubic crystalline phase. The alloy has an Fe content more than 60 atomic percent.
    Type: Grant
    Filed: October 1, 2004
    Date of Patent: November 17, 2009
    Inventors: William L. Johnson, Choongyun Paul Kim