ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,367, issued on April 14, was assigned to SK On Co. Ltd. (Seoul, South Korea).
"Secondary battery pouch" was invented by Chang Mook Hwang (Daejon, South Korea), Sin Young Moon (Daejeon, South Korea) and Yoon Ji Jo (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments provide a secondary battery pouch including a sealing portion formed at an outside of the secondary battery pouch constituting a battery cell and configured to seal an inner space of the secondary battery pouch. The sealing portion includes: a first fusion portion having a smallest thickness in the sealing portion; and a second fusion portion having a largest ...