ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,237, issued on May 27, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Power conversion device, motor drive unit, and refrigeration cycle apparatus" was invented by Takaaki Takahara (Tokyo), Koichi Arisawa (Tokyo), Keisuke Uemura (Tokyo), Haruka Matsuo (Tokyo) and Koyo Matsuzaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power conversion device includes a rectification unit that rectifies first alternating current (AC) power supplied from a commercial power supply, a capacitor connected to an output end of the rectification unit, an inverter that converts power output from the rectification unit and from the capacitor into second AC...