Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7985499 | Battery having electrode lead element with fixing member | Sang-Eun Cheon, Hye-Won Yoon, Seok-Yoon Yoo | 2011-07-26 |
| 7935436 | Rechargeable battery with gas release safety vent | Sang-Eun Cheon, Hye-Won Yoon, Seok-Yoon Yoo | 2011-05-03 |
| 7927727 | Secondary battery, cap assembly thereof and method of mounting safety valve therefor | Yong-Sam Kim, Ki-Ho Kim, Jae-Yul Ryu | 2011-04-19 |