Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7985499 | Battery having electrode lead element with fixing member | Sang-Eun Cheon, Jae Kyung Kim, Seok-Yoon Yoo | 2011-07-26 |
| 7935436 | Rechargeable battery with gas release safety vent | Sang-Eun Cheon, Jae Kyung Kim, Seok-Yoon Yoo | 2011-05-03 |