Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8250592 | Optical disk apparatus | Cheol-woong Ahn, Un-jin Choi, Min-shik Roh, Sung-Hun Lee | 2012-08-21 |
| 8132193 | Disk ejecting unit and optical disk device including the same | Cheol-woong Ahn, Un-jin Choi, Sung-Hun Lee | 2012-03-06 |
| 7840972 | Optical disc device and method of controlling the same | Cheol-woong Ahn, Jae Hyun Yoon, Un-jin Choi, Myong-chun Lee | 2010-11-23 |
| 7831983 | Optical disk device with release | Cheol-woong Ahn, Jae Hyun Yoon, Un-jin Choi, Myong-chun Lee | 2010-11-09 |