Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7115346 | Multi-layered electrophotographic positively charged organic photoconductor and manufacturing method thereof | Saburo Yokota, Kyung-yol Yon, Hwan-koo Lee, Hae-ree Joo, Nam-Jeong Lee | 2006-10-03 |