ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,548, issued on Nov. 18, was assigned to JFE STEEL Corp. (Tokyo).
"Pressed component manufacturing method, die designing method, die shape designing device, and die" was invented by Kinya Nakagawa (Tokyo), Toyohisa Shinmiya (Tokyo) and Yuji Yamasaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pressed component manufacturing method wherein, in press forming a metal sheet into a final component shape through two or more press steps, the inflow amount of the required material is determined based on the increase in the cross-sectional line length of the shape with respect to the line length before forming when the metal sheet is press formed ...