Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636464 | Optical pickup device capable of detecting stable error signal | Yong Jae Lee, Jang-hoon Yoo, Byung-ryul Ryoo, Yong-Ki Son | 2003-10-21 |
| 6587481 | Light emitting module and compatible optical pickup device adopting the same | Yong Jae Lee, Byung-ryul Ryoo, Yong-Ki Son | 2003-07-01 |
| 6567366 | Optical pickup using laser light of different wavelengths to record and reproduce information to/from a disk | Tae Kyung Kim, Chul-woo Lee | 2003-05-20 |