ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,498, issued on June 23, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Power conversion device" was invented by Kazuaki Mino (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "When a secondary battery is charged, a switch is closed, and a first boost chopper circuit, a second boost chopper circuit, and a totem-pole bridgeless power factor correction circuit, which are coupled in parallel to each other, are driven to operate in an interleaving manner, and in this state, an alternating-current voltage inputted from an AC input terminal is converted into a direct current, and the direct current is outputted from a direct ...