ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,203, issued on Dec. 30, was assigned to Honda Motor Co. Ltd. (Tokyo).

"Electric outboard motor" was invented by Masato Fujiwara (Saitama, Japan), Kota Nakamori (Saitama, Japan) and Tatsuya Shibuya (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric outboard motor includes: an electric motor disposed in an upper portion; a propeller disposed in a lower portion; a drive shaft extending in an up-down direction to transmit rotation of the electric motor to the propeller; and a case including a case upper portion that houses the electric motor and a case lower portion that houses the drive shaft. The case upper portion includes a r...