Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993770 | Cylindrical lithium ion secondary battery | YooEup Hyung, Jungseok Kim, Sangbong Nam | 2011-08-09 |
| 7887950 | Lithium secondary battery | Hyoungsu Kim, Soonki Woo, Jongku Kim, Sangbong Nam | 2011-02-15 |