US Patent Issued to NIDEC on June 2 for "Rotor, motor including same, and manufacturing method of rotor" (Japanese Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,984, issued on June 2, was assigned to NIDEC Corp. (Kyoto, Japan).

"Rotor, motor including same, and manufacturing method of rotor" was invented by Yosuke Tanaka (Kyoto, Japan), Takeshi Honda (Kyoto, Japan), Hirofumi Muto (Kyoto, Japan), Hideki Tsuji (Kyoto, Japan) and Yuya Danjo (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor includes stacked core plates, a hole, and a magnet inserted into the hole. A holding core plate has a through hole as part of the hole, a protrusion protruding inwardly from an inner surface of the through hole and being in contact with the magnet, and a displacement permission portion located in an opposit...