Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8119030 | Thulium-containing fluorescent substance for white light emitting diode and manufacturing method thereof | Sang-hyuk Han, Il Ji Lim | 2012-02-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8119030 | Thulium-containing fluorescent substance for white light emitting diode and manufacturing method thereof | Sang-hyuk Han, Il Ji Lim | 2012-02-21 |