ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,957, issued on June 17, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).
"Air purifier and controlling method thereof" was invented by Sejin Jo (Suwon-si, South Korea), Kwangyoun Kim (Suwon-si, South Korea), Pyeongki Park (Suwon-si, South Korea), Sejin Sohn (Suwon-si, South Korea), Kwangil Ryu (Suwon-si, South Korea), Jinseob Jeon (Suwon-si, South Korea) and Jonghun Ha (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air purifier may include a main body including an inlet and an outlet; a fan arranged in the main body; a solar cell arranged on a first side of the main body; a first light sensor arranged o...