ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,126, issued on Sept. 8, was assigned to AutoNetworks Technologies Ltd. (Yokkaichi, Japan), Sumitomo Wiring Systems Ltd. (Yokkaichi, Japan) and Sumitomo Electric Industries Ltd. (Osaka, Japan).

"Switching device for AC motor" was invented by Kanzo Ishihara (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A switching device for an AC motor is a device for controlling switching of an AC motor, and includes a switching unit that switches a connection state of a plurality of phase windings. The switching unit switches between a first state, a second state, and a third state. The first state is a state in which electrical conduction control on...