Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9991480 | Rechargeable battery | Jae-Il Seong | 2018-06-05 |
| RE44291 | Secondary battery having cap assembly | Young-Bae Sohn, Jang-Ho Yoon, Young Pil Choi | 2013-06-11 |
| 6509115 | Secondary battery having cap assembly | Young-Bae Sohn, Jang-Ho Yoon, Young Pil Choi | 2003-01-21 |
| 5858572 | Battery having reinforced structure for preventing expansion | — | 1999-01-12 |