Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6731855 | Variable optical attenuator | Yao-Hao Chang, Kun-Tsan Wu | 2004-05-04 |
| 6724971 | Variable optical attenuator | — | 2004-04-20 |
| 6674942 | Optical collimator and method for making same | Yao-Hao Chang, Kun-Tsan Wu | 2004-01-06 |