ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,702, issued on Oct. 14, was assigned to MEIDENSHA Corp. (Tokyo).

"Dynamometer system" was invented by Toshimichi Takahashi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control device (4) for this dynamometer system comprises: a feedback controller (50) that generates a feedback input signal on the basis of a torque detection signal and a feedback command signal; a natural vibration suppression circuit (52) that generates a correction signal so that natural vibration of a vibration element is suppressed; an inverter input generation unit (53) that generates an inverter input signal on the basis of the feedback input signal and the correcti...