ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,463, issued on March 17, was assigned to NIPPON STEEL Corp. (Tokyo).

"Bonded and stacked core manufacturing method" was invented by Kazutoshi Takeda (Tokyo), Shinsuke Takatani (Tokyo), Ryu Hirayama (Tokyo), Minako Fukuchi (Tokyo), Yoshiaki Iwase (Nagoya, Japan), Makoto Niwa (Nagoya, Japan) and Makoto Hirakawa (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "This bonded and stacked core manufacturing method is a method for manufacturing a bonded and stacked core by performing press working on a strip-shaped steel sheet with a press working oil applied to one surface or both surfaces thereof, applying an anaerobic adhesive and an instant...