US Patent Issued to YAMAHA HATSUDOKI on March 11 for "Marine propulsion system and marine power supply system including a plurality of batteries" (Japanese Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,249,858, issued on March 11, was assigned to YAMAHA HATSUDOKI K.K. (Shizuoka, Japan).

"Marine propulsion system and marine power supply system including a plurality of batteries" was invented by Takuya Hayashi (Shizuoka, Japan) and Yoshihiro Mizushima (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A marine propulsion system includes a marine propulsion unit, a first battery for a starter of an engine, a second battery for an electric motor, a third battery for at least one of a plurality of devices in or on a marine vessel excluding the starter and the electric motor, and a charge amount acquisition controller configured or programmed ...