Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826772 | Disk clamping apparatus for disk player | Chong-sam Chung, Yong-hoon Lee, Han-kook Choi | 2004-11-30 |
| 6807674 | Disk cartridge | Heui-jong Kang, Han-kook Choi | 2004-10-19 |
| 6724696 | Four-axial driving actuator for optical pickup | Yong-hoon Lee, Tae-yong Doh, Sun-mo Kim, Han-kook Choi | 2004-04-20 |