Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7454766 | Stack type optical disk changer | Sang-Joe Kim | 2008-11-18 |
| 5461606 | Lift device of laser disc player | Sung T. Kwon | 1995-10-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7454766 | Stack type optical disk changer | Sang-Joe Kim | 2008-11-18 |
| 5461606 | Lift device of laser disc player | Sung T. Kwon | 1995-10-24 |