Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7130121 | Erbium-doped fiber amplifier and integrated module components | Jing-Jong Pan, Xiangdong Qiu, Mingjie Zhang | 2006-10-31 |
| 7044660 | Erbium-doped fiber amplifier and integrated circuit module components | Jing-Jong Pan, Xiangdong Qiu, Mingjie Zhang | 2006-05-16 |
| 6922281 | Erbium-doped fiber amplifier and integrated module components | Jing-Jong Pan, Xiangdong Qiu, Mingjie Zhang | 2005-07-26 |
| 6445499 | Optical circulators | Kok-Wai Chang, Yong Zhang | 2002-09-03 |
| 6317250 | Optical isolator using multiple core fibers | Kok-Wai Chang | 2001-11-13 |
| 6246518 | Reflection type optical isolator | Kok-Wai Chang | 2001-06-12 |