ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,634, issued on April 21, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Electric-power conversion apparatus" was invented by Hideki Yoshikawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an electric-power conversion apparatus including respective arms of three phases each having switching devices that are connected with a DC power source and an external connection point that is connected with a winding of an electric rotating machine. A phase current detection unit detects a current of each of the three phases, and a switching control apparatus that controls the electric rotating machine by turning on or off the positive-p...