Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8802255 | Secondary battery and its method of manufacture | Sungjae Cho, Masanori Kogure | 2014-08-12 |
| 8273473 | Secondary battery having safety vent | — | 2012-09-25 |
| 7968228 | Secondary battery | Jeongman Park, Kwangchun Kim | 2011-06-28 |