Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6292278 | Beam scanning system adopting deflection disc | Sung Min Cho, Won-hyung Lee, Hwan-young Choi, Jee-hong Min, Young Il Kim +2 more | 2001-09-18 |
| 6185017 | Diffractive deflection beam scanning system | Sung Min Cho, Won-hyung Lee, Hwan-young Choi, Jee-hong Min, Young Il Kim +2 more | 2001-02-06 |
| 6181448 | Multi-laser scanning unit | Hwan-young Choi, Won-hyung Lee, Sung Min Cho, Jee-hong Min, Young Il Kim +2 more | 2001-01-30 |
| 6181447 | Laser scanning unit | Jae-yong Eum, Hwan-young Choi, Sung Min Cho, Jee-hong Min, Young Il Kim | 2001-01-30 |
| 6157472 | Multi-laser scanning unit | Jae-yong Eum, Hwan-young Choi, Sung Min Cho, Jee-hong Min, Young Il Kim | 2000-12-05 |
| 5933402 | Optical pickup capable of compatibly adopting disks of different thickness | Hyun-kuk Shin, Yu-shin Yi | 1999-08-03 |