ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,349, issued on March 31, was assigned to POSCO Co. LTD (Pohang-si, South Korea).

"High-strength hot-dip galvanized steel sheet with high ductility and excellent formability, and manufacturing method for same" was invented by Kang-Hyun Choi (Gwangyang-si, South Korea), Yeon-Sang Ahn (Gwangyang-si, South Korea) and Joo-Hyun Ryu (Gwangyang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a high-strength hot-dip galvanized steel sheet having excellent ductility and formability. The hot-dip galvanized steel sheet contains, by wt %, 0.06 to 0.16% of carbon (C), 0.8% or less (excluding 0%) of silicon (Si), 2.1 to 2.7% of manganes...