Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6972899 | Wide band erbium-doped fiber amplifier with gain enhancement | Seong-Taek Hwang | 2005-12-06 |
| 6937388 | L-band optical amplifier | Seong-Taek Hwang, Yun-Je Oh | 2005-08-30 |
| 6934474 | Bidirectional add/drop multiplexer | Tae-Sung Park, Shin-Hee Won, Yun-Je Oh | 2005-08-23 |
| 6903868 | Wideband erbium doped fiber amplifier capable of minimizing band crosstalk | Seong-Taek Hwang | 2005-06-07 |
| 6785043 | Dispersion-compensated optical fiber amplifier | Seong-Taek Hwang, Sung Tae Kim, Young-Hoon Joo, Sung-Jin Park | 2004-08-31 |
| 6674570 | Wide band erbium-doped fiber amplifier (EDFA) | Seong-Taek Hwang | 2004-01-06 |
| 6646796 | Wide band erbium-doped fiber amplifier (EDFA) | Seong-Taek Hwang | 2003-11-11 |