ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,712,197, issued on Aug. 18, was assigned to Samsung SDI Co. Ltd. (Yongin-si, South Korea).
"Cylindrical secondary battery" was invented by Woo Hyuk Choi (Yongin-si, South Korea), Tae Yoon Lee (Yongin-si, South Korea), Jun Hwan Kwon (Yongin-si, South Korea), Jun Ho Yang (Yongin-si, South Korea), Joung Ku Kim (Yongin-si, South Korea), Hyun Suk Park (Yongin-si, South Korea), Gwan Hyeon Yu (Yongin-si, South Korea) and Dong Sub Lee (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cylindrical secondary battery includes: a cylindrical can having a circular bottom portion, a side portion extending from the bottom portion, a beading part ...