ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,024, issued on Oct. 28, was assigned to Kawasaki Jukogyo K.K. (Kobe, Japan).

"Joining method and joined body" was invented by Takuya Fukuda (Kobe, Japan), Naoki Takeoka (Kobe, Japan), Ryoji Ohashi (Kobe, Japan) and Shuhei Yoshikawa (Kobe, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A welding method for welding an overlapping part of a first member and a second member includes: a first welding step of forming a friction-stirred part at a one-end-side spot being a spot that is closest to one end of the overlapping part by plunging a rotary tool into the one-end-side spot; a second welding step of forming a friction-stirred part at an other-en...