Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6756123 | Anti-corrosion paint for steel with polyaniline | Jae-Mok Ha, Sung Nam Hwang, Jin-Woo Park, Woo-jin CHOI, Han Seob Song +4 more | 2004-06-29 |
| 6477138 | Disc cartridge with gearing shutters and disc driver for driving the same | Won Hyoung Cho, Jong Rak Lim | 2002-11-05 |
| 6407981 | Disc cartridge adapter and disc driver for driving the same | Won Hyoung Cho, Jong Rak Lim | 2002-06-18 |
| 5692695 | Moving elements automatic transferring apparatus for magnetic recording and reproducing apparatus | — | 1997-12-02 |