ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,504, issued on Oct. 27, was assigned to POSCO Co. LTD (Pohang-si, South Korea).

"High-strength cold rolled steel sheet with low material non-uniformity and excellent formability, hot dipped galvanized steel sheet, and manufacturing method therefor" was invented by Seong-Ho Han (Gwangyang-si, South Korea) and Sang-Ho Han (Gwangyang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A high-strength cold-rolled steel sheet and a hot-dipped galvanized steel sheet with low deviation of material properties and excellent formability, and a method for manufacturing same are provided. The present invention relates to a low-yield-ratio high-streng...