ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,308, issued on March 25, was assigned to Samsung SDI Co. Ltd. (Yongin-si, South Korea).
"Button cell" was invented by Heejung Ko (Yongin-si, South Korea), Byongchul Woo (Yongin-si, South Korea) and Kijung Kim (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rechargeable battery includes: a case receiving an electrode assembly and including an opening; a cap assembly including a cap plate coupled to the case to cover the opening, and a terminal plate thermally fused to the cap plate by a thermal-fusion member, the thermal-fusion member electrically insulating the cap plate and the terminal plate from each other; and a sealing...