Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CK

Cha Hun Ku — 74 Patents

LG: 52 patents #598 of 26,165Top 3%
LSLg Energy Solution: 22 patents #46 of 1,886Top 3%
Overall (All Time): #26,182 of 4,157,543Top 1%
74 Patents All Time

Issued Patents All Time

Showing 51–74 of 74 patents

Patent #TitleCo-InventorsDate
9742004 Cathode additives for lithium secondary battery with high capacity Sun-Ju Park, Sook Yun, Vin-Na Jo, Pil-Kyu Park 2017-08-22
9620751 Dual sealing cap assembly and cylindrical secondary battery including the same Sung Jong Kim, Je Jun Lee 2017-04-11
9543568 Electrode including multi-layered electrode active material layer and secondary battery including the same Nak Gi Sung, Duk Hyun Ryu, Jung Jin Kim, Hye Lim Shim 2017-01-10
9490505 Electrode assembly including separator for improving safety and lithium secondary battery including the same Hye Lim Shim, Duk Hyun Ryu, Jung Jin Kim, Nak Gi Sung 2016-11-08
9475961 Swelling tape for filling gap Se Ra Kim, Suk Ky Chang, Sung Jong Kim, Byung Kyu Jung, Se Woo Yang +1 more 2016-10-25
9263768 Non-aqueous electrolyte and electrochemical device with an improved safety Young Soo Kim, Soon-Ho Ahn, Joon Sung Bae, Soo Hyun Ha, Duk Hyun Ryu +1 more 2016-02-16
9222003 Electrode assembly Sung Jong Kim, Byungkyu Jung 2015-12-29
9178190 Cap assembly having improved manufacturing processability and cylindrical battery comprising same Sung Jong Kim, Je Jun Lee, Byungkyu Jung 2015-11-03
9153805 Cylindrical secondary battery Je Jun Lee, Sung Jong Kim 2015-10-06
8993141 Cap assembly and secondary battery using the same Sung Jong Kim, Je Jun Lee 2015-03-31
8980463 Secondary battery and cover assembly employed therein Sung Jong Kim 2015-03-17
8980464 Seal tape and secondary battery using the same Sung Jong Kim 2015-03-17
8968938 Non-aqueous electrolyte and electrochemical device with an improved safety Young Soo Kim, Soon-Ho Ahn, Joon Sung Bae, Soo Hyun Ha, Duk Hyun Ryu +1 more 2015-03-03
8940435 Tape Sung Jong Kim, Byungkyu Jung 2015-01-27
8927123 Cap assembly of cylindrical rechargeable battery and cylindrical rechargeable battery Je Jun Lee, Sung Jong Kim, Hong-Jeong Kim 2015-01-06
8895169 Secondary battery of novel structure Kyung Su Oh, Sung Jong Kim 2014-11-25
8758937 Binder with good rate property and long cycleability for lithium secondary battery Dong Jo Ryu, Chang Sun Han, Byoung Yun Kim, Ju Hyun Kim, Chang Wan Koo 2014-06-24
8703340 Lithium secondary battery with improved energy density Hong-Jeong Kim, Soo-Ryoung Kim, Hong-Kyu Park 2014-04-22
8663837 Secondary battery Kyung Su Oh, Yong Su Choi, Sung Jong Kim, Jung Ah Lee, Jae Dong Chang +5 more 2014-03-04
8637191 Lithium secondary battery including water-dispersible binder, conduction agent, and fluoroethylenecarbonate Kwan-Soo Lee, Duk Hyun Ryu, Jung Jin Kim, Byung Kyu Jung 2014-01-28
8501333 Cap assembly and secondary battery using the same Je Jun Lee, Sung Jong Kim 2013-08-06
8420257 Cap assembly comprising gasket prevented from sagging Sung Jong Kim, Je Jun Lee 2013-04-16
8277976 Binder with good rate property and long cycleability for lithium secondary battery Dong Jo Ryu, Chang Sun Han, Byoung Yun Kim, Ju Hyun Kim, Chang Wan Koo 2012-10-02
7862929 Constitution of the dispersant in the preparation of the electrode active material slurry and the use of the dispersant Seok Koo Kim, Soon-Ho Ahn 2011-01-04