ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,407, issued on Jan. 27, was assigned to Hitachi Ltd. (Tokyo).

"Rotating electrical machine, electric wheel, and vehicle" was invented by Akeshi Takahashi (Tokyo), Tetsuya Suto (Tokyo) and Makoto Ito (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotating electrical machine includes segmented coils respectively disposed in layers aligned in a row in a radial direction inside a slot of a stator core. The segmented coils include first regions having a straight line section disposed inside the slot and a protrusion protruding to the outside of the slot from one end of the straight line section, and second regions extending toward one side in th...