ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,771, issued on Dec. 16, was assigned to Toto Ltd. (Fukuoka, Japan).
"Flush toilet" was invented by Tomoyoshi Taketani (Kitakyushu, Japan), Katsumi Tanizawa (Kitakyushu, Japan), Takashi Matsusaki (Kitakyushu, Japan) and Tsuyoshi Ozeki (Kitakyushu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flush toilet is provided comprising a storage tank, a toilet body including a discharge trap, and an overflow channel causing flush water to overflow when the flush water within the storage tank exceeds a predetermined water level, the overflow channel is provided to connect the storage tank and a discharge flow channel downstream of a bent conduit of t...