Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657785 | Bi-directional circulator | Thomas Ducellier, Kok-Wai Chang, Jyehong Chen, Yihao Cheng | 2003-12-02 |
| 6587266 | Bi-directional isolator | Kok-Wai Chang, Jyehong Chen, Thomas Ducellier, Yihao Cheng | 2003-07-01 |
| 6587267 | Beam directing device | Kok-Wai Chang, Jyehong Chen, Qing Guo | 2003-07-01 |
| 6545805 | Polarization-dependent retroreflection mirror device | Xue Dong He, Robert R. McLeod, Hong-Wei Mao, Qingdong Guo, Kok-Wai Chang | 2003-04-08 |