Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6529471 | Disc protection casing and drive for receiving the same | Won Hyoung Cho | 2003-03-04 |
| 6522622 | Disc cartridge and method and disc driving apparatus employing the same with functional hole adjustment mechanism | Won Hyoung Cho | 2003-02-18 |