ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,582, issued on April 15, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Controller for rotary machine" was invented by Tatsuya Mori (Tokyo) and Akira Furukawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a controller for rotary machine which can reduce the effective value of the bus line AC component, by utilizing the degree of freedom that two set of armature windings and two sets of inverters are provided, without necessity to synchronize the on/off control timing of the switching devices of first set, and the on/off control timing of the switching devices of second set. A controller for rotary machine calculates the utiliz...