ALEXANDRIA, Va., March 12 -- United States Patent no. 12,249,897, issued on March 11, was assigned to MITSUBA Corp. (Gunma, Japan).
"Motor and fan device" was invented by Satoshi Nagamoto (Gunma, Japan) and Keiichi Hosoi (Gunma, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The motor includes a shaft fixed to a front surface side of a motor bracket; a rotor rotatably supported on the shaft; a stator wound with coils for generating a magnetic field to rotate the rotor; a substrate, a front surface of which mounted with a driver circuit for controlling magnetic field generation by the coils; a conductive driver case forming an accommodation space accommodating the substrate between itself and the motor ...