Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809466 | Cathode ray tube with structure for preventing electron beam mis-landing caused by geomagnetism | Chan-Yong Kim, Soon-Cheol Shin, Eung-Suk Lee, Si-Taeg Sung, Il-Hwan Jang +1 more | 2004-10-26 |
| 6774553 | Cathode-ray tube | Do-Houn Pyun, Won-Sueg Park | 2004-08-10 |
| 6756725 | Cathode ray tube with tension mask | Jung-In Yoo, Do-Hun Pyun, Jun-Kyo In | 2004-06-29 |
| 6680565 | Cathode-ray tube | Do-Houn Pyun | 2004-01-20 |