Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832017 | Bidirectional add/drop multiplexer and bidirectional add/drop amplifier module for band-split bidirectional networks | Chang Hee Lee, Jeong Hun Shin, Tae Won Oh, Yun Hee Cho | 2004-12-14 |
| 6775058 | Wide band optical amplifier | Chang Hee Lee, Jeong Hun Shin, Yun Hee Cho | 2004-08-10 |
| 6735391 | Automatic retrieval of wavelength-division multiplexed ring networks | Chang Hee Lee, Jeong Hun Shin | 2004-05-11 |