ALEXANDRIA, Va., July 28 -- United States Patent no. 12,695,140, issued on July 28, was assigned to Samsung SDI Co. Ltd. (Yongin-si, South Korea).
"Cylindrical secondary battery" was invented by Hyun Ki Jung (Yongin-si, South Korea) and Woo Hyuk Choi (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 portion and a cylindrical side portion, accommodating 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 side portion of the can a...