Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025733 | Heating crucible and deposition apparatus using the same | Chang-Soon Ji, Hyung Min Kim, Sung Tae Namgoong | 2011-09-27 |
| 6821651 | Red fluorescent material and organic electroluminescent device containing same | Ki-Jong Han, Ha-Keun Hwang, Dae-Seok Jun, Young-Kyoo Kim | 2004-11-23 |