ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,351, issued on May 19, was assigned to Sharp K.K. (Sakai City, Japan).
"Air purifier" was invented by Takaki Kawagoshi (Sakai City, Japan), Noriaki Taguchi (Sakai City, Japan), Masafumi Sakamoto (Sakai City, Japan) and Tatsufumi Atsumi (Sakai City, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air purifier includes a housing that includes an intake port and an exhaust port, a filter unit that includes a photocatalytic filter and is housed in a unit housing within the housing, a light source that exposes the photocatalytic filter to light, and a blast fan that generates a flow of air passing through the unit housing. The photocatalytic filte...