Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643097 | Disc cartridge and disc recording and reproducing apparatus | Byoung-young Bae, Un-jin Choi | 2003-11-04 |
| 6534736 | Key switch of keyboard unit | Sung-Jin Lee, Chul-woo Lee, Young-woo Huh, Woo-Jong Lee, Woo-jong Cho | 2003-03-18 |
| 6507452 | Filtering apparatus for hard disk drive | Byoung-young Bae, Seong Hoon Kim, Sung-Jin Lee | 2003-01-14 |