| 7486596 |
Method and apparatus compensating for tilt |
Byung-youn Song, Dong-Ryeol Lee, Pyong-yong Seong, Kyung-ui Park, Dong Won Kim |
2009-02-03 |
| 7343103 |
Apparatus and method for detecting beam power in optical drive |
Pyong-yong Seong, Kun-soo Kim, Yong-jun Cho, Sung-du Kwon |
2008-03-11 |
| 7280458 |
Optical pickup apparatus and optimal light spot focusing method |
Yong Jae Lee, Sung-ro Go, Pyong-yong Seong, Chang-jin Yang, Gi-bong Song +1 more |
2007-10-09 |
| 7272103 |
Laser power monitor device, optical pickup including the same, and optical recording and/or reproducing apparatus including the same |
Sung-du Kwon, Jun Hyuk Lee, Pyong-yong Seong, Hyun Cheal Bang, Yong-jun Cho |
2007-09-18 |
| 7251209 |
Optical pickup and a wedge beam splitter |
Yong-jun Cho, Pyong-yong Seong, Seung-man Han, Hyun-seob Choi, Eun-goo Kim +2 more |
2007-07-31 |
| 7068933 |
Apparatus and method for detecting beam power in optical drive |
Pyong-yong Seong, Kun-soo Kim, Yong-jun Cho, Sung-du Kwon |
2006-06-27 |
