US Patent Issued to POSCO on Jan. 13 for "High-strength steel sheet having excellent hole expandability and method for manufacturing same" (South Korean Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,887, issued on Jan. 13, was assigned to POSCO Co. LTD (Pohang-si, South Korea).

"High-strength steel sheet having excellent hole expandability and method for manufacturing same" was invented by Sung-Kyu Kim (Gwangyang-si, South Korea), Kyoung-Rae Cho (Gwangyang-si, South Korea), Chang-Hyo Seo (Gwangyang-si, South Korea), Ki-Hyun Park (Gwangyang-si, South Korea) and Sang-Ho Han (Gwangyang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a high-strength steel sheet and a method for manufacturing same, wherein the high-strength steel sheet is a material suitable for automobile structural members and has excellent moldability, ...