ALEXANDRIA, Va., July 16 -- United States Patent no. 12,670,752, issued on June 30, was assigned to YAMAHA HATSUDOKI K.K. (Shizuoka, Japan).

"Marine vessel management system" was invented by Sho Nakano (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A marine vessel management system to reduce the burden on a marine vessel rental business operator includes a marine vessel, an information processor, and a portable terminal device operable by a marine vessel user. When the marine vessel is leaving a port and/or when the marine vessel is returning to the port, the portable terminal device receives information about a state of the marine vessel via the information processor, and displays the recei...