Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE37742 | High-density optical disk and method of producing the same | Myong-do Ro | 2002-06-11 |
| 6185170 | Method for tracking an optical disc of a shallow/deep groove type and apparatus adopting the same | Du-seop Yoon, Myoung-june Kim, Seung-Tae Chung | 2001-02-06 |
| 6030677 | High-density optical disk and method of producing the same | Myong-do Ro | 2000-02-29 |