ALEXANDRIA, Va., June 18 -- United States Patent no. 12,328,027, issued on June 10, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Power supply device and battery pack charging method" was invented by Seiji Hirai (Tokyo) and Daigo Takemura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The power supply device is provided with: a battery pack that comprises a plurality of battery units each of which includes a battery, a first terminal and a second terminal; a capacitor connected in parallel with the battery pack; and a current adjusting circuit that includes a load and a switching device for controlling a current to the load and adjusts a current from the capacitor to the battery pack. When a bat...