Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5900692 | Indirect cathode sleeve | Gil-Young Jung, Kyeong Sang Lee, Byeong Doo Ko, Hun Gun Park | 1999-05-04 |
| 5569391 | Indirect cathode sleeve manufacturing method | Gil-Young Jung, Kyeong Sang Lee, Byeong Doo Ko, Hun Gun Park | 1996-10-29 |
| 5453657 | Indirectly-heated cathode heater structure for a cathode ray tube | — | 1995-09-26 |
| 5313133 | Electron gun for cathode ray tube with improved cathode structure | — | 1994-05-17 |