Patents by Inventor Hoi Soo Yoo

Hoi Soo 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).

  • COLD CRUCIBLE FOR THIN SLAB CONTINUOUS CASTING OF LIGHT METAL WITH HIGH-PURITY
    Publication number: 20170291217
    Abstract: The present invention provides a cold crucible for continuously casting high-purity light metal thin slab, which can control the electromagnetic force applied from the inner wall surface of a cold crucible to the surface of molten metal in order to change the shape of the cold crucible to various shapes during electromagnetic casting, while stabilizing the molten metal inside the cold crucible and casting an ingot having uniform particles.
    Type: Application
    Filed: August 25, 2015
    Publication date: October 12, 2017
    Inventors: Byung-Moon MOON, Je-Sik SHIN, Hoi-Soo YOO
  • ELECTRODE FOR RESISTANCE SPOT WELDING AND A METHOD FOR RESISTANCE SPOT WELDING USING THE SAME
    Publication number: 20150158110
    Abstract: Provided are a resistance spot welding electrode including a projection protruding from an opposing surface that faces a base metal, surrounding a center of the opposing surface, and including a round-shaped end that is capable of contacting the base metal, in order to expand a welding area, minimize expulsion, and significantly increase weld strength, and a resistance spot welding method using the same.
    Type: Application
    Filed: May 24, 2013
    Publication date: June 11, 2015
    Inventors: Mun Jin Kang, Dong Cheol Kim, Cheol Hee Kim, Shae Kwang Kim, Hoi Soo Yoo, Hyun Jun Yun