ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,275, issued on July 8, was assigned to Honda Motor Co. Ltd. (Tokyo).
"Marine vessel" was invented by Kenta Sugitate (Wako, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A marine vessel (10) includes a hull (11), an electric propulsion part (15) configured to propel the hull (11), an anchor part (20) that is connected to a chain cable (21) pulled out from the hull (11) and is submerged in water, a power generating part (63) submerged in water together with the anchor part (20), and a battery case (30) configured to accommodate a detachable portable battery (35) that is an electric power source of the electric propulsion part (15), wherein the b...