Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9167229 | Small three-dimensional imaging device | — | 2015-10-20 |
| 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, Jong-koog Lee, Yong-jun Cho | 2007-09-18 |
| 7248553 | Laser power control device | Sung-du Kwon, Jun Hyuk Lee, Yong-jun Cho, Jung-koog Lee | 2007-07-24 |
| 7116608 | Lens position determination apparatus of optical pickup | Jong-ha Jun, Dong-Ryeol Lee, Young Pyo Lee, Chul-ho Jeon, Ho Jin Yoon | 2006-10-03 |