ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,000, issued on June 3, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Electric motor, fan, and air conditioner" was invented by Takaya Shimokawa (Tokyo), Takanori Watanabe (Tokyo), Kazuchika Tsuchida (Tokyo), Ryogo Takahashi (Tokyo) and Naoki Tamura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric motor includes a rotor having 10xN (N is an integer equal to or larger than 1) magnetic poles and a stator including 9xN teeth. A center tooth includes a first main body and a first tooth end portion. A downstream-side tooth includes a second main body and a second tooth end portion. The electric motor satisfies TCRless thanTBR, where ...