Issued Patents All Time
Showing 1–4 of 4 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 |
| 5224355 | Plural temperature adjustment apparatus for refrigerator | Jae-Hyoung So | 1993-07-06 |