Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6972895 | Long-wavelength optical fiber amplifier | Seong-Taek Hwang, Byung-Chang Kang | 2005-12-06 |
| 6917464 | Unpolarized multi-lambda source | Seong-Taek Hwang, Yun-Je Oh | 2005-07-12 |
| 6714341 | Wavelength converter and optical cross-connect system using the same | Seong-Taek Hwang | 2004-03-30 |
| 6490079 | Device for suppressing transient effect of optical fiber amplifier in WDM system | Doe-In Choi | 2002-12-03 |