Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8913469 | Optical information storage medium system and method of generating signal for controlling light power | Jong-hwa Yu | 2014-12-16 |
| 8416672 | Optical pickup, photodetector, and drive adopting the optical pickup | Ui-yol Kim, Yong Jae Lee, Pyong-yong Seong | 2013-04-09 |
| 7417940 | Apparatus for and method of controlling photo diode using digital potentiometer | Chul-ho Jeon, Myoung-cher Cho | 2008-08-26 |