ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,484,742, issued on Dec. 2, was assigned to TOTO Ltd. (Kitakyushu, Japan).

"Abnormality detection system" was invented by Tetsuhiro Wasada (Fukuoka, Japan), Yoshihiro Sugita (Fukuoka, Japan), Miho Otake (Fukuoka, Japan), Shoma Morishita (Fukuoka, Japan), Koki Nomura (Fukuoka, Japan), Masamichi Tosaki (Fukuoka, Japan) and Hiroshi Tsuboi (Fukuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An abnormality detection system according to an embodiment has an acquisition unit that acquires information that indicates a tendency of a usage state of one use item that is provided as an item for use that is executed by a user of a toilet, and a determinatio...