Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6507548 | Optical pickup device | Jong-ryull Kim, Kun-soo Kim, Myong-soo Choi, Jong-hwa Yu | 2003-01-14 |
| 6337841 | Compatible optical pickup | Kun-soo Kim, Jong-ryull Kim, Myoung Soo Choi, Jong-hwa Yu, Chul-woo Lee +3 more | 2002-01-08 |