Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7796891 | ROF link system for supporting various services | Han-Lim Lee, Seong-Taek Hwang, Byung-Jik Kim, Hoon Kim, Jae-Hoon Lee +3 more | 2010-09-14 |
| 7733825 | ROF link apparatus capable of stable TDD wireless service | Sang-Ho Kim, Yun-Je Oh, Seong-Taek Hwang, Byung-Jik Kim, Hoon Kim +5 more | 2010-06-08 |
| 7660531 | Remote access unit and radio-over-fiber network using same | Jae-Hoon Lee, Seong-Taek Hwang, Byung-Jik Kim, Hoon Kim, Sang-Ho Kim +3 more | 2010-02-09 |
| 7653039 | Network system for interworking W-LAN and 3G mobile communication network through RoF link and authentication method according to interworking in the network system | Kwan-Soo Lee, Chang-Sup Shim, Yun-Je Oh, Jae-Hoon Lee, Seong-Taek Hwang | 2010-01-26 |
| 7630694 | Remote access unit and optical network for bidirectional wireless communication using the same | Yong-Gyoo Kim, Seong-Taek Hwang, Byung-Jik Kim, Hoon Kim, Sang-Ho Kim +3 more | 2009-12-08 |
| 7474858 | Duobinary optical transmission device using at least one semiconductor optical amplifier | Han-Lim Lee, Yun-Je Oh, Seong-Taek Hwang | 2009-01-06 |
| 7269311 | Remote antenna unit and wavelength division multiplexing radio-over-fiber network | Yong-Gyoo Kim, Seong-Taek Hwang | 2007-09-11 |
| 7257330 | Duobinary optical transmission apparatus using a semiconductor optical amplifier | Sung-Kee Kim, Seong-Taek Hwang, Yun-Je Oh | 2007-08-14 |
| 7206519 | Duobinary optical transmission apparatus | Han-Lim Lee, Seong-Taek Hwang, Byung-Chang Kang | 2007-04-17 |
| 7190510 | Metro wavelength division multiplexing network | Seong-Taek Hwang, Chang-Sup Shim, Yun-Je Oh | 2007-03-13 |
| 7092147 | Broadband light source | Sang-Ho Kim, Seong-Taek Hwang, Se-Hong Park, Kwan-Woong Song | 2006-08-15 |
| 7023534 | Optical modulating apparatus having bias controller and bias control method | Yun-Je Oh, Seong-Taek Hwang | 2006-04-04 |
| 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 |