Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7657903 | Disc cartridge | Kyung Chan Park, Hyung-jun Lim, Ji Duk Kim, Jin Yong Kim | 2010-02-02 |
| 7536703 | Disc cartridge assembly | Kyung Chan Park, Hyung-jun Lim, Ji Duk Kim, Jin Yong Kim | 2009-05-19 |
| 6377536 | Optical pick-up apparatus | Young Sik Kim, Sung Chan Park | 2002-04-23 |