Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8034478 | Secondary battery of improved safety | Hyang Mok Lee, Byungjin Choi, Hyun Chul Jung, JeongSam Son, Chang Bum Ahn +1 more | 2011-10-11 |
| 7897280 | Safety kit for secondary battery | Hyang Mok Lee, Byungjin Choi, Hyung Ku Yun, Chang Bum Ahn, Hyun Chul Jung +2 more | 2011-03-01 |