Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815094 | Diphenyl anthracene derivatives and organic electroluminescent device employing the same | Soo-Hyoung Lee, Jhun-Mo Son | 2004-11-09 |
| 6711341 | Dispersion control fiber and method of manufacturing large size preform thereof | Mun-Hyun Do | 2004-03-23 |
| 6697562 | Dispersion control fiber and method of manufacturing large size preform thereof | Mun-Hyun Do | 2004-02-24 |