ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,651, issued on Aug. 5, was assigned to NIPPON STEEL Corp. (Tokyo).
"Hot stamped body" was invented by Daisuke Maeda (Tokyo), Shingo Fujinaka (Tokyo) and Yuri Toda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hot stamped body with high strength, good bendability and crack propagation resistance, consisting of: in mass %, C: 0.06% or more to less than 0.20%, Si: 0.010-1.00%, Mn: 0.80-2.00%, P: 0.100% or less, S: 0.010% or less, Al: 0.010-0.500%, N: 0.010% or less, Nb: more than 0.020% to 0.10% or less, Ti: 0-0.10%, V: 0-0.10%, Cr: 0-0.50%, Mo: 0-1.00%, B: 0-0.0100%, Ni: 0-0.50%, REM: 0-0.0100%, Mg: 0-0.010%, Ca: 0-0.0100%, and Co: 0-2.0%, wi...