Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9508378 | Optical disk and optical disk reproduction device for reproducing same | Jae-Hyun Kim, Joji Anzai, Shuichi Tasaka, Chang-hoon Son, Yukihiro Yamasaki +2 more | 2016-11-29 |
| 7843775 | Optical disc apparatus and focusing method for the same | Kab Kyun Jeong, Kwan-joon Kim | 2010-11-30 |
| 6967906 | Circuit and method for detecting mirror signal for optical disc apparatus | Chang-jin Yang | 2005-11-22 |