Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7146625 | Disc cartridge and disc drive using the same | Jae-yong Eum, Yong-hoon Lee, Hong-kyun Yim, Chong-sam Chung, Han-kook Choi +2 more | 2006-12-05 |
| 7124423 | Disk cartridge to protect an information area of a disk from being contaminated | Jae-yong Eum, Hong-kyun Yim, Yong-hoon Lee, Han-kook Choi, Chong-sam Chung +1 more | 2006-10-17 |