Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665247 | Land/groove discriminating method and optical recording/reproducing apparatus employing the method | Young-man Ahn, Chong-sam Chung, Hea-jung Suh, Jong-bae Kim | 2003-12-16 |
| 6646976 | Optical pickup apparatus capable of reducing cross talk by adjacent tracks and a method therefor | Chong-sam Chung, Young-man Ahn, Hea-jung Suh, Seung-tae Jung, Chul-woo Lee +2 more | 2003-11-11 |
| 6590851 | Optical pickup for recording/reproducing optical discs of multiple thicknesses | Chong-sam Chung, Young-man Ahn, Hea-jung Suh | 2003-07-08 |
| 6580670 | Optical pickup using a single light spot to generate tracking error signal and reproduction signal | Chong-sam Chung, Young-man Ahn, Hea-jung Suh | 2003-06-17 |
| 6567366 | Optical pickup using laser light of different wavelengths to record and reproduce information to/from a disk | Pyong-yong Seong, Chul-woo Lee | 2003-05-20 |
| 6563780 | Compatible optical pickup for high-density recording/reproduction | Chong-sam Chung, Young-man Ahn, Hea-jung Suh | 2003-05-13 |
| 6511871 | Method of fabricating thin film transistor | Seung Ki Joo | 2003-01-28 |