Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10158930 | Upgrading PON systems using a multi-cycle field AWG | Liang Du, Xiangjun Zhao, Cedric Fung Lam, Changhong Joy Jiang | 2018-12-18 |
| 10063944 | Feeder fiber and central office redundancy | Liang Du, Yut Loy Chan, Xiangjun Zhao, Changhong Joy Jiang, Cedric Fung Lam +1 more | 2018-08-28 |
| 10050708 | Feeder fiber and central office redundancy | Liang Du, Yut Loy Chan, Xiangjun Zhao, Changhong Joy Jiang, Cedric Fung Lam +1 more | 2018-08-14 |
| 9948422 | Low cost gain clamped EDFA for TWDM passive optical network application | Xiangjun Zhao, Chiachi Wang, Cedric Fung Lam, Liang Du, Changhong Joy Jiang | 2018-04-17 |