Issued Patents All Time
Showing 201–220 of 220 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6903868 | Wideband erbium doped fiber amplifier capable of minimizing band crosstalk | Kwan-Woong Song | 2005-06-07 |
| 6898003 | Dispersion-compensated Raman optical fiber amplifier | Hyung-lin Kwon | 2005-05-24 |
| 6894830 | Bi-directional optical-amplifier module | Chang Hee Lee, Yun-Je Oh, Hyun Deok Kim, Jeong Hun Shin, Yunhee CHO | 2005-05-17 |
| 6891651 | EML transmitter applying band stop filter | Sung-Kee Kim, Gyu-Woong Lee, Yun-Je Oh | 2005-05-10 |
| 6888671 | Optical amplifier device and bidirectional wavelength division multiplexing optical communication system using the same | Young-Hoon Joo, Seong-Ha Kim, Gyu-Woong Lee | 2005-05-03 |
| 6867912 | Wide-band erbium-doped fiber amplifier and wavelength division multiplexing optical transmission system | Young-Hoon Joo | 2005-03-15 |
| 6859576 | Optical cross-connect system | Jong-Kwon Kim, Yun-Je Oh | 2005-02-22 |
| 6785043 | Dispersion-compensated optical fiber amplifier | Kwan-Woong Song, Sung Tae Kim, Young-Hoon Joo, Sung-Jin Park | 2004-08-31 |
| 6738553 | Opto-electrical cross connect device of high density | Byung-Jik Kim, Yun-Je Oh, Jun-Ho Koh, Sang-Ho Kim | 2004-05-18 |
| 6714341 | Wavelength converter and optical cross-connect system using the same | Hong-Seok Shin | 2004-03-30 |
| 6674570 | Wide band erbium-doped fiber amplifier (EDFA) | Kwan-Woong Song | 2004-01-06 |
| 6646796 | Wide band erbium-doped fiber amplifier (EDFA) | Kwan-Woong Song | 2003-11-11 |
| 6580553 | Automatic gain control device of optical fiber amplifier | Chan-Youl Kim, Yun-Je Oh, Jun-Ho Koh | 2003-06-17 |
| 6441944 | Optical attenuator using isolator and optical communications system including the same | Sung Jun Kim, Soo Young Yoon, Jeong-mee Kim | 2002-08-27 |
| 6392788 | Optical fiber amplifier | Soo Young Yoon, Lars Johan Albinsson Nilsson, Jeong-mee Kim, Sung Jun Kim, Rae-Sung Jung | 2002-05-21 |
| 6353496 | Wavelength division multiplexing erbium doped fiber amplifier which outputs constant power per channel and amplifying method thereof | Rae-Sung Jung, Jeong-mee Kim | 2002-03-05 |
| 6337764 | Optical fiber amplifier for controlling gain flatness | Soo Young Yoon, Rae-Sung Jung, Sung Jin Kim | 2002-01-08 |
| 6292291 | Optical fiber amplifier having constant output power for each channel and amplifying method thereof | Soo Young Yoon, Rae-Sung Jung, Sung Jun Kim | 2001-09-18 |
| 6252700 | Erbium doped fiber amplifier suitable for long wavelength light signal | Soo Young Yoon, Lars Johan Albinsson Nilsson | 2001-06-26 |
| 4374783 | O,O-Dialkyl-s-(2,3,4-trichloro)butyl thiophosphate | — | 1983-02-22 |