Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9588295 | Directional coupler and design method thereof, optical waveguide element and wavelength filter | — | 2017-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9588295 | Directional coupler and design method thereof, optical waveguide element and wavelength filter | — | 2017-03-07 |