Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9236610 | Cathode active material for lithium secondary battery | Sung Kyun Chang, Seung Tae Hong, Hyeong Jin Kim, Duk Hyun Ryu, Eun-Young Goh +3 more | 2016-01-12 |
| 9065152 | Secondary battery with an improved safety | Duk Hyun Ryu, Soon-Ho Ahn, Han Ho Lee, Jae Hyun Lee, Min Chul Jang | 2015-06-23 |
| 9023525 | Cathode active material for lithium secondary battery | Sung Kyun Chang, Seung Tae Hong, Hyeong Jin Kim, Duk Hyun Ryu, Eun-Young Goh +3 more | 2015-05-05 |
| 8835055 | Cathode active material for lithium secondary battery | Sung Kyun Chang, Seung Tae Hong, Hyeong Jin Kim, Duk Hyun Ryu, Eun-Young Goh +3 more | 2014-09-16 |
| 8663837 | Secondary battery | Kyung Su Oh, Cha Hun Ku, Yong Su Choi, Sung Jong Kim, Jung Ah Lee +5 more | 2014-03-04 |
| 7695867 | Method for regulating terminal voltage of cathode during overdischarge and cathode active material for lithium secondary battery | Sung Kyun Chang, Seung Tae Hong, Hyeong Jin Kim, Duk Hyun Ryu, Eun-Young Goh +3 more | 2010-04-13 |