Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657785 | Bi-directional circulator | Thomas Ducellier, Kuochou Tai, Kok-Wai Chang, Yihao Cheng | 2003-12-02 |
| 6587266 | Bi-directional isolator | Kuochou Tai, Kok-Wai Chang, Thomas Ducellier, Yihao Cheng | 2003-07-01 |
| 6587267 | Beam directing device | Kuochou Tai, Kok-Wai Chang, Qing Guo | 2003-07-01 |