Issued Patents 2018
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10158930 | Upgrading PON systems using a multi-cycle field AWG | Liang Du, Xiangjun Zhao, Daoyi Wang, Changhong Joy Jiang | 2018-12-18 |
| 10153612 | Tunable laser bias circuit | Tao Zhang, Xiangjun Zhao, Changhong Joy Jiang, Liang Du, Shuang Yin +1 more | 2018-12-11 |
| 10103513 | Common cathode laser driving circuit | Tao Zhang, Liang Du, Xiangjun Zhao, Changhong Joy Jiang, Shuang Yin +1 more | 2018-10-16 |
| 10063944 | Feeder fiber and central office redundancy | Liang Du, Yut Loy Chan, Xiangjun Zhao, Changhong Joy Jiang, Daoyi Wang +1 more | 2018-08-28 |
| 10050708 | Feeder fiber and central office redundancy | Liang Du, Yut Loy Chan, Xiangjun Zhao, Changhong Joy Jiang, Daoyi Wang +1 more | 2018-08-14 |
| 9948422 | Low cost gain clamped EDFA for TWDM passive optical network application | Xiangjun Zhao, Chiachi Wang, Daoyi Wang, Liang Du, Changhong Joy Jiang | 2018-04-17 |