Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8995239 | Recording medium for long-term data retention, recording method, and recording/reproducing apparatus | — | 2015-03-31 |
| 6636463 | Method and apparatus for compensating data in reproducing optical disk | Young-sig Kwon | 2003-10-21 |