Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084152 | Lithium ion secondary battery having shape memory safety vent | Yoon-Tai Kwak | 2011-12-27 |
| 7931980 | Electrode assembly and rechargeable battery using the same | Yoon-Tai Kwak, Soo-Yeon Maeng, Hoon Yim | 2011-04-26 |