ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,121, issued on Nov. 11, was assigned to NIPPON STEEL Corp. (Tokyo).
"Galvanized steel sheet" was invented by Jun Maki (Tokyo), Keitaro Matsuda (Tokyo) and Hiroyuki Kawata (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A galvanized steel sheet comprising a steel sheet containing C: 0.05 to 0.30%, Si: 0.01 to 3.00%, Mn: 0.80 to 3.00%, and Al: 0.010 to 2.000% and having a thickness of 0.10 to 0.95 mm, and a galvanized layer on the steel sheet, wherein a tensile strength is 550 to 1500 MPa, and, when defining a thickness of an internal oxide layer per surface of the steel sheet as "A" (micro metre), a thickness of a decarburized layer per surface...