Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6900584 | Mask-frame assembly for color cathode-ray tube having compensating unit | Kuen-Dong Ha, Arimoto Nozomu, Joon-Soo Bae, Joon Goo Lee, Deok-Hyeon Choe +1 more | 2005-05-31 |
| 6774551 | Tension mask frame assembly for color CRT | Joon-Soo Bae, Kuen-Dong Ha, Woo-Il Park | 2004-08-10 |
| 6703773 | Tension mask frame assembly of color cathode-ray tube | Kuen-Dong Ha, Jong-in Jeong | 2004-03-09 |
| 6577051 | Flat cathode ray tube | Yong-Geol Kwon | 2003-06-10 |
| 6545401 | Color selection apparatus for cathode ray tube | Kuen-Dong Ha, Kwang-Sik Lee, Arimoto Nozomu, Duk-Hyun Choe, Hoo-Deuk Kim +1 more | 2003-04-08 |