Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6449235 | Optical pick-up apparatus and optical recording/reproducing apparatus using the same | Seong Yun Jeong | 2002-09-10 |
| 6407974 | Optical pick-up apparatus | Young Sik Kim | 2002-06-18 |
| 6379767 | Optical recording medium with multiple recording layers and fabricating method thereof | Kyung Chan Park | 2002-04-30 |
| 6345034 | Recording medium having substrate with thickness dependent on numerical aperture of object lens, method of forming the optical medium and optical recording/reproducing apparatus | — | 2002-02-05 |