US Patent Issued to TOTO on March 25 for "Flush water tank device and flush toilet apparatus provided with the same" (Japanese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,744, issued on March 25, was assigned to TOTO Ltd. (Kitakyushu, Japan).

"Flush water tank device and flush toilet apparatus provided with the same" was invented by Yuta Kondo (Kitakyushu, Japan), Koichiro Hiwa (Kitakyushu, Japan), Yuki Shimokawa (Kitakyushu, Japan), Kenji Hatama (Kitakyushu, Japan) and Haruki Matsuda (Kitakyushu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is a flush water tank device including a flush water tank main body, a water supply valve, and a discharge valve, in which during a flush of the flush toilet, the discharge valve is opened until a water level in the flush water tank main body is low...