Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6687049 | Optical amplifiers with stable output power under low input power conditions | James W. Sulhoff, Yongan Wu | 2004-02-03 |
| 6577789 | Double-pass optical amplifiers and optical network equipment | — | 2003-06-10 |
| 6441953 | L band multistage amplifier with improved noise figure | Gregory Cowle, Felton A. Flood, Luis Alberto Zenteno | 2002-08-27 |
| 6424457 | Optical amplifiers and methods for manufacturing optical amplifiers | James Patrick Koonmen, James W. Sulhoff, Paul F. Wysocki | 2002-07-23 |
| 6377396 | Optical amplifiers with variable optical attenuation for use in fiber-optic communications systems | Yan Sun, Yongan Wu, Jun Ye | 2002-04-23 |