Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791685 | Optical signal performance monitoring apparatus and method in multi-channel optical transmission system | Ji Wook YOUN | 2004-09-14 |
| 6606190 | Inhomogeneity tunable erbium-doped fiber amplifier with long wavelength gain band and method of blocking propagation of backward amplified spontaneous light emission in the same | Jyung Chan Lee, Moo Jung Chu, Jong Hyun Lee | 2003-08-12 |
| 6570698 | Apparatus and method for modulating optical intensity with amplitude noise suppressed by using linear optical modulator | Bong Kyu Kim, Jong Hyun Lee, Seung Il Myong | 2003-05-27 |
| 6559989 | Optical packet header processing apparatus for optical packet switch | Ji Wook YOUN, Hee Sang CHUNG, Sung-Un Lee, Jong Hyun Lee | 2003-05-06 |
| 6529319 | Automatic gain-controlled optical fiber amplifier | Ji Wook YOUN, Hee Sang CHUNG, Jong Hyun Lee | 2003-03-04 |
| 6115375 | Multistage optical packet switching apparatus using self electro-optic-effect devices | O Kyun Kwon, Kyung-Sook Hyun, Seok-Ho Song, El-Hang Lee | 2000-09-05 |
| 6097529 | Apparatus for enhancing extinction ratio in optical NRZ-to-RZ converting system, and optical modulation system therefor | Hyuek Jae Lee, Hye Young Kim, Seok Youl Kang | 2000-08-01 |
| 6060704 | Photodetector for simultaneous recognition of multiple wavelengths, and method therefor | Kyung-Sook Hyun, O-Kyun Kwon, El-Hang Lee | 2000-05-09 |
| 6040678 | Switched reluctance motor having noise and vibration reduced | Kyung Bum Huh | 2000-03-21 |
| 6028301 | Method for controlling a micro electro-mechanical systems and verifying the state thereof using light | Jong Hyun Lee | 2000-02-22 |
| 5770851 | Compact optical logic operator array | Hyo-Hoon Park, Kyung-Sook Hyun, O-Kyun Kwon, Seok-Ho Song, Byueng-Su Yoo +1 more | 1998-06-23 |
| 5751468 | Vertical modulator with dual mode DBR | Kyung-Sook Hyun, O-Kyun Kwon, El-Hang Lee | 1998-05-12 |