Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8995869 | Image forming apparatus | Heung-sup Park, Sung Jun Park, Yung-Mi Kim, Yoon Seok Kim, Young Bong Kim +3 more | 2015-03-31 |
| 7563540 | Cathode active material and lithium secondary battery using the same | Young-min Choi | 2009-07-21 |