ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,482, issued on March 25, was assigned to NIPPON STEEL Corp. (Tokyo).
"Laminated core and electric motor" was invented by Ryu Hirayama (Tokyo) and Kazutoshi Takeda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A laminated core including a plurality of electrical steel sheets stacked on each other, and adhesion parts which are provided between the electrical steel sheets adjacent to each other in an axial direction thereof and adhering the electrical steel sheets to each other, in which each of the electrical steel sheets includes an annular core back part, and a plurality of tooth parts which extend from the core back part in a radial direct...