ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,708, issued on Sept. 23, was assigned to TOTO Ltd. (Kitakyushu, Japan).
"Flush toilet" was invented by Shoko Kobayashi (Kitakyushu, Japan), Makoto Bekki (Kitakyushu, Japan) and Daiki Okabe (Kitakyushu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flush toilet of the present invention includes a bowl including a waste receiving surface that receives waste, a rim formed on an upper part of the waste receiving surface and a well portion that is formed below the waste receiving surface and in which a pooled water surface is formed, one or more spouting ports that spout flush water along the rim, and a discharge conduit connected to a bottom p...