ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,594, issued on Sept. 30, was assigned to SK ON Co. LTD. (Seoul, South Korea).

"Secondary battery" was invented by Ji Hyung Kim (Daejeon, South Korea), Young Ha Kim (Daejeon, South Korea), Sang Bin Lee (Daejeon, South Korea) and Ho Jin Hwang (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary battery includes an electrode assembly including a first electrode plate, a separator, and a second electrode plate, a lower case in which the electrode assembly is accommodated and electrode tabs are provided on sidewalls opposing each other, an upper case coupled to the lower case, and an outer casing disposed to surround the lowe...