ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,124, issued on June 17, was assigned to UNICHARM Corp. (Ehime, Japan).
"Animal toilet" was invented by Ayano Okawa (Kanonji, Japan), Yasuhiro Sasano (Kanonji, Japan) and Misato Nakatani (Kanonji, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An animal litter box includes an upper container, a tray, a lower container, and a ventilation fan. The upper container includes a liquid passage portion having holes through which urine passes downward. An absorbent body is disposed on the tray to absorb the urine that passes through the liquid passage portion. The lower container supports the upper container from below and detachably accommodates the tr...