ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,714, issued on April 22, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Separator structure, method for producing the same, and secondary battery using the same" was invented by Dongwook Lee (Seoul, South Korea), Munhyuk Lim (Seoul, South Korea), Hongjung Kim (Seoul, South Korea), Kyungho Jung (Seoul, South Korea), Juchul Lee (Seoul, South Korea), Junhan Kwon (Seoul, South Korea), Keeyong Kim (Seoul, South Korea), Sumin Lee (Seoul, South Korea), Yongkeon Ahn (Seoul, South Korea) and Youngmin Pi (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a separator for a lithium ion secondary battery, a method for pro...