Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5598304 | Fuzzy controller for an actuator and the controlling method thereof | Hyun-Taek Choi, Il-Hong Suh, Woo Sok Chang, Janghee Lee | 1997-01-28 |
| 5572501 | Optical pickup actuator focus control with reference to a focus zero detection signal and a focus servo drive zero detection signal | — | 1996-11-05 |