ALEXANDRIA, Va., March 24 -- United States Patent no. 12,586,808, issued on March 24, was assigned to LG Energy Solution Ltd. (Seoul, South Korea).

"Apparatus and method for manufacturing unit cells" was invented by Se Hyun Yoon (Daejeon, South Korea), Dong Hyeuk Park (Daejeon, South Korea) and Chun Ho Kwon (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for manufacturing unit cells includes reels, rollers, conveyors, headers, and a cutter. A lower separator sheet is unwound from a lower separator reel. A feeding roller moves the lower separator sheet in a first direction. A conveyor moves a first electrode in a second direction parallel to the first direction. A first heade...