ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,759, issued on March 18, was assigned to POSCO Co. LTD (Pohang-si, South Korea).

"High strength steel sheet having excellent workability and method for manufacturing same" was invented by Jae-Hoon Lee (Gwangyang-si, South Korea), Min-Seo Koo (Gwangyang-si, South Korea) and Tae-Oh Lee (Gwangyang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a steel sheet and a method for manufacturing same, the steel sheet, which can be used for automobile parts and the like, having superb bendability, and excellent balance of strength and ductility and of strength and hole expansion ratio. The steel sheet includes: by wt %, C: 0.25 to 0...