US Patent Issued to JFE STEEL on Sept. 8 for "Hot pressed member and hot press forming steel sheet, and methods of producing same" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,422, issued on Sept. 8, was assigned to JFE STEEL Corp. (Tokyo).

"Hot pressed member and hot press forming steel sheet, and methods of producing same" was invented by Rinta Sato (Tokyo), Yoichi Makimizu (Tokyo), Ryoto Nishiike (Tokyo) and Minoru Tanaka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hot pressed member includes: a steel material; an Al-Fe-based intermetallic compound layer with a thickness of 10 micro metre to 30 micro metre disposed on at least one side of the steel material; and Mg-containing oxide particles disposed on the Al-Fe-based intermetallic compound layer, wherein the Mg-containing oxide particles have an average p...