ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,402, issued on Aug. 19, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).

"Aircraft position control system, aircraft, and aircraft position control method" was invented by Toru Kojima (Tokyo), Satoshi Mori (Tokyo) and Katsumi Takagi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft position control system to make a position of an aircraft follow movement of a target landing point due to motion includes a motion quantity estimation processing unit that estimates a motion quantity of the target landing point, based on attitude correction acceleration for correcting attitude of the aircraft and a relative position between the a...