ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,780, issued on Jan. 13, was assigned to JFE STEEL Corp. (Tokyo).
"Press forming part" was invented by Yusuke Fujii (Tokyo) and Masaki Urabe (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A press forming part includes: a top portion; a side wall portion continuous from the top portion via a punch shoulder; and a flange portion continuous from the side wall portion via a die shoulder, the press forming part having a curved portion curved in a recessed manner in a top view, wherein a bending radius of the die shoulder in the curved portion is increased from an end side toward a middle portion of the curve."
The patent was filed on July 2, 2021,...