ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,714, issued on Nov. 11, was assigned to Teijin Pharma Ltd. (Tokyo).
"Oxygen concentrator, control method, and control program" was invented by Koichi Shinohara (Tokyo) and Yuki Yamaura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an oxygen concentration device, a control method, and a control program with which a start-up interval until a desired high-concentration oxygen gas can be supplied can be reduced. The oxygen concentration device includes a pressurized air supply unit for supplying pressurized air, an adsorption tube which concentrates oxygen in the pressurized air by adsorbing nitrogen in the supplied pressurized air t...