ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,762, issued on Sept. 1, was assigned to YAMAHA HATSUDOKI K.K. (Shizuoka, Japan).

"Watercraft propulsion system, and watercraft" was invented by Yuji Ikegaya (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A watercraft propulsion system includes an engine propulsion device attachable to a hull and including a propeller rotatable about a first propeller axis, an electric propulsion device attachable to the hull and including a propeller rotatable about a second propeller axis different from the first propeller axis, and a controller configured or programmed to control the engine propulsion device and the electric propulsion device. The...