| 7327639 |
Hybrid writing and reading head to record data with high density |
Dong-seob Jang, Kun-ho Chu, Dae-sik Kim, Young-min Cheong |
2008-02-05 |
| 7107604 |
Disk cartridge |
Soon-kyo Hong, Dong-seob Jang, Young-min Cheong, Du-il Kim |
2006-09-12 |
| 7079455 |
Optical reading and writing system |
Young-min Cheong, Cheol-sung Yeon, Ho-Cheol Lee, Dong-seob Jang |
2006-07-18 |
| 7042816 |
Optical pickup apparatus for optical disk drive and having a flexured floating slider |
Young-min Cheong, Byoung-young Bae, Dong-seob Jang |
2006-05-09 |
| 6910218 |
Slim type optical disc drive |
Dae-kyong Park, Bu-hyun Sung, Dong-seob Jang |
2005-06-21 |
| 6847606 |
Air-bearing slider for optical disk drive |
Cheol-sung Yeon, Dong-seob Jang, Young-min Cheong |
2005-01-25 |
| 6801493 |
Optical pickup device |
Dong-seob Jang, Sung-Jin Lee, Young-min Cheong |
2004-10-05 |
| 6738227 |
Negative pressure air bearing slider including negative pressure rail with a protruding stepped portion |
Dong-seob Jang |
2004-05-18 |
