ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,696, issued on Oct. 27, was assigned to LG INNOTEK Co. LTD. (Seoul, South Korea).

"Power conversion device having multi-level structure" was invented by Kwang Soon Jung (Seoul, South Korea) and Jeong Heum Park (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power conversion device according to one embodiment of the present invention comprises: converters that are connected to respective cell strings; a voltage detection unit for detecting an input voltage and/or an output voltage of each of the plurality of converters; and a control unit which generates a control signal for each of the plurality of converters by using the voltag...