ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,065, issued on Nov. 18, was assigned to KAWASAKI MOTORS LTD. (Akashi, Japan).

"Personal watercraft" was invented by Yoshihito Uchino (Akashi, Japan) and Satoru Watabe (Akashi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A jet-propelled boat includes a power unit that applies a propulsive force to a ship body by injecting water taken in from a water inlet while pressurizing the water, a position detection unit that detects a position of the ship body, a determination unit that determines whether or not an operation mode is a fixed position mode, and a power control unit that controls the power unit based on detection information by the posit...