ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,569, issued on July 21, was assigned to SK On Co. Ltd. (Seoul, South Korea).

"Secondary battery cell insulation test apparatus for simultaneous multiple-point insulation testing and method using the same" was invented by Jeong Joo Lee (Daejeon, South Korea), Tak Kyung Yoo (Daejeon, South Korea), Soo Hwan Jo (Daejeon, South Korea), Ja Sung Yun (Daejeon, South Korea) and Ha Chul Jeong (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary battery cell insulation test apparatus may include: a first probe portion disposed to be in contact with a case of a secondary battery cell; a second probe portion disposed to be in contact ...