Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6888671 | Optical amplifier device and bidirectional wavelength division multiplexing optical communication system using the same | Young-Hoon Joo, Seong-Taek Hwang, Gyu-Woong Lee | 2005-05-03 |