Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8053101 | Lithium ion rechargeable battery | Seok-Gyun Chang, Jung-Seog Kim, Yoo-Eup Hyung, Yong Tae Kim | 2011-11-08 |
| 7955730 | Secondary battery | Jong Ku Kim, Soon Ki Woo, Jin Wook Kim, Young Taek Kim, Youn-Han Chang | 2011-06-07 |
| 7943251 | Rechargeable battery having safety vent | Jong Ku Kim, Youn-Han Chang, Soon Ki Woo | 2011-05-17 |