Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643097 | Disc cartridge and disc recording and reproducing apparatus | Soon-kyo Hong, Un-jin Choi | 2003-11-04 |
| 6507452 | Filtering apparatus for hard disk drive | Soon-kyo Hong, Seong Hoon Kim, Sung-Jin Lee | 2003-01-14 |