ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,114, issued on March 25, was assigned to Honda Motor Co. Ltd. (Tokyo).
"Outboard engine" was invented by Takahiro Mihara (Wako, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An outboard engine includes a steering mechanism having a pod propulsion device disposed in water outside a hull; a propulsive drive mechanism that is disposed in the hull and gives a propulsive drive force to the pod propulsion device; and a circulation cooling circuit which has an outward flow path that supplies a cooling oil to the steering mechanism and the propulsive drive mechanism, and an inward flow path which recovers the cooling oil from the steering mechanism ...