ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,748, issued on Oct. 28, was assigned to NIPPON STEEL Corp. (Tokyo).
"Plated steel sheet" was invented by Takuya Mitsunobu (Tokyo), Masaaki Uranaka (Tokyo) and Kohei Tokuda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "This plated steel sheet includes a steel sheet, and a plated layer disposed on a surface of the steel sheet, in which the plated layer has a chemical composition containing, in mass %, Al: 10.0 to 25.0%, Mg: 3.0 to 10.0%, Fe: 0.01 to 2.0%, and Si: more than 0 to 2.0%, with a remainder including Zn and impurities, and a number density of Mg2Si phases having a major axis of 2 micro metre or more exposed on the surface of the plat...