ALEXANDRIA, Va., June 25 -- United States Patent no. 12,341,404, issued on June 24, was assigned to FUJITSU GENERAL Ltd. (Kanagawa, Japan).
"Compressor" was invented by Hiroaki Tanaka (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A compressor includes a shaft that is arranged along a rotation axis a compression unit that drives along with rotation of the shaft, a rotor core that is fixed to the shaft, a plurality of permanent magnets that are embedded inside the rotor core, and a stator that causes the rotor core to rotate about the rotation axis, wherein a plurality of eccentric holes for adjusting balance when the shaft rotates are formed in the rotor core, and the plurality of eccentric ...