Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826772 | Disk clamping apparatus for disk player | Seok-jung Kim, Chong-sam Chung, Han-kook Choi | 2004-11-30 |
| 6791933 | Optical pickup using an optical phase plate | Jang-hoon Yoo, Chul-woo Lee, Chong-sam Chung, Pyong-yong Seong, Kun-ho Cho +3 more | 2004-09-14 |
| 6788645 | Disk cartridge | Han-kook Choi, Chong-sam Chung, Heui-jong Kang | 2004-09-07 |
| 6724696 | Four-axial driving actuator for optical pickup | Seok-jung Kim, Tae-yong Doh, Sun-mo Kim, Han-kook Choi | 2004-04-20 |
| 6724709 | Disc cartridge and system | Han-kook Choi | 2004-04-20 |