Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7840972 | Optical disc device and method of controlling the same | Cheol-woong Ahn, Jae Hyun Yoon, Un-jin Choi, Jeong-hun Yeom | 2010-11-23 |
| 7831983 | Optical disk device with release | Cheol-woong Ahn, Jae Hyun Yoon, Un-jin Choi, Jeong-hun Yeom | 2010-11-09 |