US Patent Issued to NTK CUTTING TOOLS, Osaka University on May 27 for "Friction stir welding tool and friction stir welding method" (Japanese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,461, issued on May 27, was assigned to NTK CUTTING TOOLS Co. LTD. (Komaki, Japan) and Osaka University (Osaka, Japan).

"Friction stir welding tool and friction stir welding method" was invented by Yuki Takeuchi (Nagoya, Japan), Jun Moteki (Nagoya, Japan), Hiroki Takeuchi (Nagoya, Japan), Yusuke Katsu (Nagoya, Japan), Yasushi Hara (Nagoya, Japan), Hidetoshi Fujii (Suita, Japan) and Yoshiaki Morisada (Suita, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A friction stir welding tool and a friction stir welding method that can increase the amount of heat generation, while reducing the amount of escaping heat are provided. The friction stir weldin...