Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8069455 | Optical disk apparatus | Pyo Kim, Young Sun Yoo, Sang Kyu Lee | 2011-11-29 |
| 7984461 | Disk chucking device and disk driving device having the same | Viatcheslav Smirnov, Dong Yeon Shin, Sang Kyu Lee | 2011-07-19 |