Issued Patents All Time
Showing 25 most recent of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12323233 | System, apparatus, and architecture for migrating an optical communication network | Xiang Zhou, Ryohei Urata, Hong Liu | 2025-06-03 |
| 12255692 | Polarization-folding coherent optical technology for short reach optical communication | Xiang Zhou, Ryohei Urata, Hong Liu | 2025-03-18 |
| 12160272 | Dual-output coherent optical technology | Xiang Zhou, Hong Liu | 2024-12-03 |
| 12107633 | Two-dimensional optical modulation and detection technologies for optical communications | Xiang Zhou, Hong Liu | 2024-10-01 |
| 12009635 | Switching circuit for burst-mode tunable laser | Tao Zhang, Xiangjun Zhao, Shuang Yin, Liang Du, Changhong Joy Jiang +3 more | 2024-06-11 |
| 11901696 | Wavelength drift suppression for burst-mode tunable EML laser | Tao Zhang, Shuang Yin, Xiangjun Zhao, Liang Du, Changhong Joy Jiang +3 more | 2024-02-13 |
| 11689292 | Polarization-folding coherent optical technology for short reach optical communication | Xiang Zhou, Ryohei Urata, Hong Liu | 2023-06-27 |
| 11641248 | System, apparatus, and architecture for migrating an optical communication network | Xiang Zhou, Ryohei Urata, Hong Liu | 2023-05-02 |
| 11600965 | Burst mode laser driving circuit | Tao Zhang, Shuang Yin, Xiangjun Zhao, Liang Du, Changhong Joy Jiang +3 more | 2023-03-07 |
| 11594856 | Wavelength drift suppression for burst-mode tunable EML transmitter | Tao Zhang, Shuang Yin, Xiangjun Zhao, Liang Du, Changhong Joy Jiang +3 more | 2023-02-28 |
| 10992387 | Port replicator | Xiangjun Zhao, Shuang Yin, Muthu Nagarajan, Tao Zhang, Liang Du +3 more | 2021-04-27 |
| 10666379 | Optical network unit wavelength tuning | Xiangjun Zhao, Shuang Yin, Changhong Joy Jiang, Ke Dong | 2020-05-26 |
| 10651946 | In-field calibration of laser transmitter | Xiangjun Zhao, Satrukaan Sivagnanasuntharam, Shuang Yin, Liang Du | 2020-05-12 |
| 10516479 | Feeder fiber and central office redundancy | Liang Du, Yut Loy Chan, Xiangjun Zhao, Changhong Joy Jiang, Daoyi Wang +1 more | 2019-12-24 |
| 10461498 | Common cathode laser driving circuit | Tao Zhang, Liang Du, Xiangjun Zhao, Changhong Joy Jiang, Shuang Yin +1 more | 2019-10-29 |
| 10439722 | Feeder fiber and central office redundancy | Liang Du, Yut Loy Chan, Xiangjun Zhao, Changhong Joy Jiang, Daoyi Wang +1 more | 2019-10-08 |
| 10243687 | Optical network unit wavelength tuning | Xiangjun Zhao, Shuang Yin, Changhong Joy Jiang, Ke Dong | 2019-03-26 |
| 10171199 | Tunable laser in an optical access network | Xiangjun Zhao, Daoyi Wang, Liang Du, Changhong Joy Jiang | 2019-01-01 |
| 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 |
| 9749080 | TWDM passive network with extended reach and capacity | Liang Du, Changhong Joy Jiang, Ben Warren Segura, Xiangjun Zhao, Daoyi Wang | 2017-08-29 |