Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6964730 | Purification apparatus and method | Kyung-Hoon Lee, Jeong-Dae Seo | 2005-11-15 |
| 6893744 | Organic electroluminescent display device | Myung Seop Kim | 2005-05-17 |
| 6844090 | Organic electroluminescent device | — | 2005-01-18 |