Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6445677 | Cartridge for an information recording medium | In-sik Park, Young-sun Seo, Jung-wan Ko, Han-kook Choi | 2002-09-03 |
| 6438099 | Cartridge for an information recording medium | In-sik Park, Young-sun Seo, Jung-wan Ko, Han-kook Choi | 2002-08-20 |
| 6404731 | Cartridge for accommodating a disc | Young-sun Seo, Han-kook Choi, Young-min Cheong, In-sik Park | 2002-06-11 |