ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,451, issued on March 24, was assigned to YAMAHA HATSUDOKI K.K. (Shizuoka, Japan).
"Method of and system for controlling marine propulsion device" was invented by Takuro Matsunami (Shizuoka, Japan), Tomokatsu Terada (Shizuoka, Japan) and Keigo Kawasumi (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of controlling a marine propulsion device including an engine including a plurality of cylinders and a crankshaft includes obtaining an angular acceleration of the crankshaft, obtaining a determination parameter to determine whether or not a misfire has occurred in the engine based on the angular acceleration of the crankshaft, a...