ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,755, issued on Dec. 23, was assigned to NIPPON STEEL Corp. (Tokyo).
"Plated steel material and photovoltaic power generation stand" was invented by Takuya Mitsunobu (Tokyo), Mamoru Saito (Tokyo) and Hiroshi Takebayashi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "This plated steel material includes a steel sheet, a plated layer formed on the steel sheet, and an oxide layer formed on the plated layer, in which the plated layer has a chemical composition containing, by mass %, 1.0 to 60.0% of Al, 1.0 to 15.0% of Mg, 0 to 2.0% of Si, 0 to 2.0% of Ca, and 0 to 2.0% of Fe, and a remainder being of Zn and impurities, the oxide layer has a thickne...