ALEXANDRIA, Va., May 5 -- United States Patent no. 12,617,505, issued on May 5, was assigned to YAMAHA HATSUDOKI K.K. (Shizuoka, Japan).
"Marine vessel" was invented by Junya Ono (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A marine vessel that is able to inform a vessel operator that an attachment is attached includes a hull and a controller configured or programmed to function as a judging unit to judge whether or not an attachment that is attachable and detachable to and from the hull is attached to the hull, and to function as a notifying unit to, in a case of being judged by the judging unit that the attachment is attached, execute a notification process to notify the vessel operator ...