ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,729, issued on Nov. 18, was assigned to Toto Ltd. (Fukuoka, Japan).

"Flush toilet apparatus" was invented by Yuuki Shinohara (Kitakyushu, Japan) and Hiroshi Hashimoto (Kitakyushu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flush toilet apparatus includes a toilet main body and a warm water wash toilet seat, the toilet main body includes a bowl, a toilet upper surface, and a discharge trap conduit, and the warm water wash toilet seat includes a body part, a wash nozzle, and a toilet seat rotatably mounted to the body part and disposed on the toilet upper surface, to surround the bowl. On opposite ends of the toilet upper surface in a left...