Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6310433 | Inner shield for a cathode ray tube and method for manufacturing the same | Hae-Su Youn | 2001-10-30 |
| 5126622 | Dispenser cathode | Jong-in Jeong, Jong-Seo Choi, Kyu-nam Ju | 1992-06-30 |
| 5115164 | Dispenser cathode | Jong-in Jeong, Jong-Seo Choi, Kyu-nam Ju | 1992-05-19 |