Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6891651 | EML transmitter applying band stop filter | Sung-Kee Kim, Yun-Je Oh, Seong-Taek Hwang | 2005-05-10 |
| 6888671 | Optical amplifier device and bidirectional wavelength division multiplexing optical communication system using the same | Young-Hoon Joo, Seong-Taek Hwang, Seong-Ha Kim | 2005-05-03 |