ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,187, issued on May 12, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea) and Samsung SDI Co. Ltd. (Yongin-si, South Korea).

"Method and apparatus with battery state estimation" was invented by Jinho Kim (Yongin-si, South Korea) and Tae Won Song (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A processor-implemented method with battery state estimation includes: determining a state variation of a battery using a voltage difference between a sensed voltage of the battery and an estimated voltage of the battery that is estimated by an electrochemical model corresponding to the battery; updating an internal state...