ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,580, issued on April 7, was assigned to JFE Steel Corp. (Tokyo).
"Galvanized steel sheet" was invented by Kazuaki Tsuchimoto (Tokyo), Kento Watanabe (Tokyo), Takeshi Matsuda (Tokyo), Yoichi Makimizu (Tokyo), Katsuya Hoshino (Tokyo), Wataru Baba (Tokyo) and Taiyo Asakawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A galvanized steel sheet is disclosed. The galvanized steel sheet has an arithmetic average roughness Ra of a surface of the steel sheet of 0.5 micro metre to 2.5 micro metre, and has concave and convex portions on the surface thereof, in which there are flattened portions in the convex portions, in which the number of valleys bet...