ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,884, issued on Sept. 15, was assigned to TOTO Ltd. (Kitakyushu, Japan).

"Flush toilet" was invented by Takehiro Minami (Fukuoka, Japan), Hiroshi Hashimoto (Fukuoka, Japan), Isami Sakaba (Fukuoka, Japan) and Kazunari Yasui (Fukuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flush toilet includes a bowl portion configured to receive waste, a trap portion extending from the bowl portion and configured to discharge the waste received in the bowl portion, a main conduit through which washing water toward the bowl portion flows, a rim communication hole into which the washing water flows from the main conduit, a rim conduit through which the...