US Patent Issued to NIPPON STEEL on June 23 for "Steel sheet for hot stamping and hot-stamped member" (Japanese Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,740, issued on June 23, was assigned to NIPPON STEEL Corp. (Tokyo).

"Steel sheet for hot stamping and hot-stamped member" was invented by Yuki Suzuki (Tokyo), Kenta Uenishi (Tokyo), Soshi Fujita (Tokyo) and Masahiro Fuda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A steel sheet for hot stamping that further improves productivity of a hot-stamped member, has excellent appearance and has excellent spot weldability, and a hot-stamped member. The steel sheet for hot stamping includes, on the whole of at least one surface of the steel sheet, a surface-treated film whose emissivity at a wavelength of 8.0 micro metre at 25deg C. is 60% or more, i...