Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809466 | Cathode ray tube with structure for preventing electron beam mis-landing caused by geomagnetism | Soon-Cheol Shin, Eung-Suk Lee, Si-Taeg Sung, Il-Hwan Jang, Won Ho Kim +1 more | 2004-10-26 |
| 6737917 | Digital power amplifier | Tae Ha Ryoo, Nam-In Kim | 2004-05-18 |
| 6724137 | Tension mask frame assembly for color cathode ray tube | Soon-Cheol Shin, Sang-Shin Choi, Sang-Ho Jeon | 2004-04-20 |