Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565266 | Device for aligning optical source and optical fiber in optical source module | Gi-Tae Mun, Ki Soo Park, Oh-Dal Kwon, Dae Hyun Kang | 2003-05-20 |
| 6052057 | System for checking gas pressure and gas leakage | Kap-hyun Cha | 2000-04-18 |