ALEXANDRIA, Va., May 12 -- United States Patent no. 12,622,993, issued on May 12, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Space cleaning device" was invented by Yuki Mizuno (Aichi, Japan), Shinji Yoshida (Aichi, Japan), Tomohiro Hayashi (Aichi, Japan), Takeshi Kinoshita (Aichi, Japan), Yuichi Kanbara (Aichi, Japan), Mayumi Sasai (Aichi, Japan) and Hiroshi Kohara (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Space cleaning device includes: hypochlorous acid water generator; mixing bath storing a mixture of the hypochlorous acid water and water; hypochlorous acid water supply unit; water supply unit; water level sensor detecting a water level of the w...