US Patent Issued to YAMAHA HATSUDOKI on Nov. 18 for "Vessel propulsion apparatus, vessel, and vessel engine" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,878, issued on Nov. 18, was assigned to YAMAHA HATSUDOKI K.K. (Shizuoka, Japan).

"Vessel propulsion apparatus, vessel, and vessel engine" was invented by Shinya Kasai (Shizuoka, Japan) and Satoshi Kinowaki (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vessel propulsion apparatus includes an engine and a propulsion unit to be driven by the engine. The engine includes a cylinder head including a combustion chamber and a pair of intake openings to communicate with the combustion chamber. The engine further includes a pair of intake ports respectively including a pair of downstream portions respectively connected to the pair of intak...