ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,260, issued on March 17, was assigned to Samsung SDI Co. Ltd. (Yongin-si, South Korea).

"Cylindrical secondary battery" was invented by Sung Gwi Ko (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cylindrical secondary battery includes: an electrode assembly including a first electrode plate and a second electrode plate; a can having a bottom part and a cylindrical side part, configured to accommodate the electrode assembly, and electrically connected to the first electrode plate; and a cap assembly. The cap assembly includes: a cap plate coupled to one end of the cylindrical side part and electrically connected to the cylin...