Patents by Inventor Seong-Choon Kwon

Seong-Choon Kwon 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).

  • HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT PLATING QUALITY, STEEL SHEET FOR PLATING, AND METHODS FOR MANUFACTURING SAME
    Publication number: 20240018676
    Abstract: The steel sheet for plating according to an aspect of the present invention has a GDS profile of an Mn element, as observed in the depth direction from the surface, sequentially including a maximum point and a minimum point, wherein a difference of converted concentration of Mn may be 80% or more, and a difference of converged concentration of Si may be 50% or more.
    Type: Application
    Filed: December 9, 2021
    Publication date: January 18, 2024
    Applicant: POSCO Co., Ltd
    Inventors: Jin-Ho Jung, Won-Hwi Lee, Ki-Cheol Kang, Seong-Choon Kwon
  • HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET WITH EXCELLENT PLATING QUALITY, STEEL SHEET FOR PLATING, AND MANUFACTURING METHODS THEREFOR
    Publication number: 20240003032
    Abstract: In a steel sheet for plating, according to one aspect of the present invention, the CBS profile of an Mn element, which is observed in the direction of surface to depth, sequentially comprises local maximum points and local minimum points, difference of converted concentration of Mn can be 10% or higher, and difference of converted concentration of Si can be 10% or higher.
    Type: Application
    Filed: December 9, 2021
    Publication date: January 4, 2024
    Applicant: POSCO Co., Ltd
    Inventors: Jin-Ho Jung, Won-Hwi Lee, Ki-Cheol Kang, Seong-Choon Kwon