Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6504297 | Green-emitting phosphor composition and cathode ray tube manufactured using the same | Gyeong-Jae Heo, Joa-Young Jeong | 2003-01-07 |
| 6465946 | Green-emitting phosphor composition and cathode ray tube manufactured using the same | Joa-Young Jeong, Gyeong-Jae Heo | 2002-10-15 |
| 5998918 | Phosphor screen for a flickerless cathode ray tube and a process for preparing the same | Young Rag Do, Chang Won Park, Joon-bae Lee | 1999-12-07 |