ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,963, issued on Oct. 14, was assigned to Japan Tobacco Inc (Tokyo).
"Power supply unit for aerosol generation device" was invented by Yasuhiro Ono (Tokyo), Minoru Kitahara (Tokyo) and Shujiro Tanaka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power supply unit for an aerosol generation device includes: a power supply configured to supply power to a heater configured to heat an aerosol source; a step-up system configured to function by a stepped-up voltage supplied from the power supply; a step-down system configured to function by a stepped-down voltage supplied from the power supply; and a direct-coupling system configured to function by...