Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12061368 | Fixture and method for attaching fibers to V-grooves of photonic integrated circuit | Ryohei Urata, Lieven Verslegers, Jan Petykiewicz | 2024-08-13 |
| 11693197 | Fixture and method for attaching fibers to V-grooves of photonic integrated circuit | Ryohei Urata, Lieven Verslegers, Jan Petykiewicz | 2023-07-04 |
| 11442094 | Polygonal spherical space sampling device | Linbin Chen, Zhenkun XIE, Cien Sun, Kaixuan (Evan) Jiang | 2022-09-13 |
| 11340468 | Integrated optical circulator enabling polarization diversity | Ryohei Urata, Lieven Verslegers, Hong Liu | 2022-05-24 |
| 10788632 | Device and method for coupling laser to a photonic integrated circuit | Lieven Verslegers, Ryohei Urata | 2020-09-29 |
| 10775637 | Integrated optical circulator enabling polarization diversity | Ryohei Urata, Lieven Verslegers, Hong Liu | 2020-09-15 |
| 10516479 | Feeder fiber and central office redundancy | Liang Du, Yut Loy Chan, Xiangjun Zhao, Changhong Joy Jiang, Cedric Fung Lam +1 more | 2019-12-24 |
| 10439722 | Feeder fiber and central office redundancy | Liang Du, Yut Loy Chan, Xiangjun Zhao, Changhong Joy Jiang, Cedric Fung Lam +1 more | 2019-10-08 |
| 10171199 | Tunable laser in an optical access network | Xiangjun Zhao, Liang Du, Changhong Joy Jiang, Cedric Fung Lam | 2019-01-01 |
| 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 |
| 9749080 | TWDM passive network with extended reach and capacity | Cedric Fung Lam, Liang Du, Changhong Joy Jiang, Ben Warren Segura, Xiangjun Zhao | 2017-08-29 |
| 9729950 | Upgrading PON systems using a multi-cycle field AWG | Liang Du, Xiangjun Zhao, Cedric Fung Lam, Changhong Joy Jiang | 2017-08-08 |
| 9608758 | Low cost gain clamped EDFA for TWDM passive optical network application | Xiangjun Zhao, Chiachi Wang, Cedric Fung Lam, Liang Du, Changhong Joy Jiang | 2017-03-28 |
| 8873909 | Micro-optic filtering devices and method of making the same | Shiping Zhang, Yao Li | 2014-10-28 |
| 8538229 | Pluggable variable optical attenuators and methods for making the same | Xinzhong Wang, Yao Li | 2013-09-17 |
| 8538210 | Micro free-space WDM device | Frank Wu | 2013-09-17 |
| 8351791 | Optical devices with built-in isolators | Yao Li, Andy Zhou | 2013-01-08 |
| 7912374 | High isolation wavelength division devices | Yao Li | 2011-03-22 |
| 7843644 | Compact free-space WDM device with one-sided input/output ports | Yao Li | 2010-11-30 |
| 7672554 | Space expanders in optical devices | Yao Li | 2010-03-02 |
| 7486891 | Multi-port high isolation filters | Li Yao | 2009-02-03 |
| 7440163 | Compact passive module for erbium and other fiber amplifiers | Andy Zhou | 2008-10-21 |