ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,516, issued on May 13, was assigned to Hyundai Steel Co. (Incheon, South Korea).

"Steel sheet for hot press and aluminum coated blank manufactured using the same" was invented by Je Woo Soo Kim (Incheon, South Korea), Byung Gil Yoo (Incheon, South Korea), Seong Kyung Han (Incheon, South Korea) and Dong Yong Kim (Incheon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A steel sheet for hot press comprises carbon (C) in an amount of 0.03 to 0.15 wt %, silicon (Si) in an amount of 0.1 to 1.5 wt %, manganese (Mn) in an amount of 1.0 to 2.0 wt %, phosphorus (P) in an amount of 0.1 wt % or less, sulfur (S) in an amount of 0.01 wt % or less, bo...