ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,617, issued on March 3, was assigned to SK On Co. Ltd. (Seoul, South Korea).

"Method of manufacturing secondary battery" was invented by Sung Yeop Kim (Daejeon, South Korea), Jin Go Kim (Daejeon, South Korea), Ji Won Na (Daejeon, South Korea) and Eun Soo Cho (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed is a method of manufacturing a secondary battery. The method includes inserting an electrode assembly into a pouch, injecting an electrolyte into the pouch and aging, charging the electrode assembly, degassing to discharge gas from the pouch, discharging the electrode assembly, and charging to a shipment charge level. ...