Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7373030 | Planar optical circuit | Zhan Gao, Bernd Krombholz, Ingo Baumann | 2008-05-13 |
| 7054560 | Configuration for detecting optical signals of a planar optical circuit | Frank Singer | 2006-05-30 |
| 6999645 | Waveguide crossing | Zhan Gao | 2006-02-14 |
| 6975795 | Refractive index grating, and mode coupler having a refractive index grating | — | 2005-12-13 |
| 6894269 | Configuration for detecting optical signals in at least one optical channel in a planar light circuit, attenuator including the configuration, and method for manufacturing the configuration | Frank Singer | 2005-05-17 |
| 6671439 | Integrated waveguide arrangement, process for producing an integrated waveguide arrangement, and waveguide components | — | 2003-12-30 |
| 6574413 | Arrangement and method for the channel-dependent attenuation of the levels of a plurality of optical data channels | — | 2003-06-03 |