ALEXANDRIA, Va., April 2 -- United States Patent no. 12,264,834, issued on April 1, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).
"Air conditioner" was invented by Hayato Nuno (Osaka, Japan) and Hiroshi Itou (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air conditioner includes a heat exchanger provided in an indoor unit, a drain pan that receives drain water generated in the heat exchanger, an irradiation unit that irradiates the drain pan with ultraviolet rays, and a control unit that controls ultraviolet intensity of the irradiation unit. The control unit controls the irradiation unit to make the ultraviolet intensity after a cooling operation is larger than the ultraviolet inte...