ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,787, issued on Aug. 4, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Rotor and magnetic wave gear device" was invented by Ryosuke Kawashima (Tokyo), Ryoji Miyatake (Tokyo) and Atsushi Yamamoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a rotor in which the magnetic resistance between magnetic poles is low. The rotor includes magnet modules arranged in an annular shape with a rotary shaft as a center. Each magnet module includes a base formed of a magnetic material, and two rotor magnets having poles different from each other and provided with a gap therebetween in the rotation direction of the rotary shaft on an outer cir...