ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,234, issued on June 23, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).

"All-solid-state battery system provided with pressurizing device" was invented by Min Sun Kim (Goyang, South Korea), Yong Guk Gwon (Hwaseong, South Korea), Ga Young Choi (Busan, South Korea), Yong Seok Choi (Seoul, South Korea) and Jae Ho Shin (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An all-solid-state battery system is disclosed, the system comprising an all-solid-state battery comprising a plurality of cells arranged in a closed inner space of a pressurization chamber and a pressurizing fluid filled in the c...