Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7486596 | Method and apparatus compensating for tilt | Byung-youn Song, Jong-koog Lee, Dong-Ryeol Lee, Pyong-yong Seong, Dong Won Kim | 2009-02-03 |
| 7355953 | Optical pickup for cutting off optical noise and optical recording and/or reproducing apparatus using the same | Ui-yol Kim, Byung-ryul Ryoo, Pyong-yong Seong, Myoung-cheol Cho | 2008-04-08 |
| 6686697 | Circuit to protect a light element | Myoung-cheol Cho, Byung-ryul Ryoo, Ui-yol Kim, Pyong-yong Seong | 2004-02-03 |