ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,406, issued on June 10, was assigned to DAIKI Co. LTD. (Tokyo).

"Animal toilet" was invented by Junji Yoshinaga (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An animal toilet includes a partition portion, an upper space, and a lower space. The partition portion has a through hole allowing urine to pass therethrough. The upper space is present above the partition portion, and is a space in which a plurality of grains are disposed. The lower space is present below the partition portion, and is a space in which the urine having passed through the through hole accumulates. The partition portion includes a wall part. The wall part is provided aro...