ALEXANDRIA, Va., June 16 -- United States Patent no. 12,658,748, issued on June 16, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Rotating electric machine" was invented by Yoshihiro Miyama (Tokyo), Takeshi Kubota (Tokyo) and Kengo Kumagai (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a rotating electric machine, including a rotor, the rotor including: a rotor core; a first permanent magnet inserted into a first magnet slot; and a second permanent magnet inserted into a second magnet slot. The rotor core includes an inter-pole hole portion formed between the first magnet slot and the second magnet slot. When a circle having a rotation axis as a center and circumscribing an edge port...