Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825598 | Tension mask with inner shield structure for cathode ray tube | Hyang-Jin Koh, Jong-Heon Kim, Tae-Yong Kim | 2004-11-30 |
| 6791249 | Cathode ray tube | Tok-Chin Woo | 2004-09-14 |
| 6686695 | Cathode ray tube having degaussing coil for minimizing variations in landing of electron beam | Tok-Chin Woo, Jung-Suk Song | 2004-02-03 |