ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,645, issued on June 24, was assigned to NIPPON STEEL Corp. (Tokyo).
"Structural part" was invented by Ryo Tabata (Tokyo), Yasuhiro Ito (Tokyo), Takeshi Kawachi (Tokyo) and Masahiro Nakata (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A structural part includes a part body and a cylindrical bush. The part body includes a through-hole and a cylindrical flange part provided in the periphery of the through-hole. The bush is inserted into the through-hole and the flange part. When seen in a cross section including a central axis of the bush, the flange part has a height difference between a first part that contacts the bush on one side in a direc...