Patents by Inventor Kyeong Ji Park

Kyeong Ji Park 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).

  • Cobalt-based heat-resisting composition
    Patent number: 6068814
    Abstract: This invention relates to a cobalt-based heat-resisting composition used as a spinner wheel material to prepare glassfiber and more particularly, to a cobalt-based heat-resisting alloy having excellent strength, anti-abrasiveness and antioxidative effects at a higher temperature.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: May 30, 2000
    Assignee: Keum Kang Co., Ltd.
    Inventors: Hwan Sub Kang, Kyeong Ji Park