ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,158, issued on March 25, was assigned to KRONGTHIP INC. (Tokyo).
"Air cleaner" was invented by Kazumi Fujikura (Tokyo), Yoko Shiraishi (Tokyo) and Takeshi Hattori (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air cleaner not susceptible to a decrease in effect. The air cleaner includes: a storage tank that stores a liquid; and an air blowing unit. In the air cleaner, the storage tank has an air receiving region and a dust retention region formed therein, and the air blowing unit blows air to the air receiving region. The dust retention region is a region partitioned by a wall in which an opening is formed toward an upstream side of a flo...