Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7212481 | Searching method and device for a recording medium having overlapped time address | Cheol Jin | 2007-05-01 |
| 7012858 | Method for checking the existence of an optical disk using a focusing signal | Hyeong-Chull Na | 2006-03-14 |
| 6912184 | Method and apparatus of measuring axial vibration of a disk recording medium | Jae Cheol Lim | 2005-06-28 |
| 6826136 | Apparatus and method for controlling reproduction speed of an optical disk | — | 2004-11-30 |
| 6288983 | Method and apparatus for controlling movement of optical pick-up in an optical disc player | — | 2001-09-11 |