US Patent Issued to DAIKIN INDUSTRIES on July 14 for "Electric motor" (Japanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,442, issued on July 14, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Electric motor" was invented by Tatsuya Tonari (Osaka, Japan), Hisato Sumitomo (Osaka, Japan), Yuji Nakazawa (Osaka, Japan), Taiichi Nose (Osaka, Japan) and Hirofumi Higashi (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric motor includes a stator, and a rotor having a plurality of magnetic poles. Each magnetic pole includes a rotor core having through holes arranged circumferentially side by side, and a permanent magnet inserted into each through hole. A length of a portion of the rotor core in a radial direction of the rotor is shorter than a len...