Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6768870 | Transparent fiber-optic communication network | Reinhard Johannsen, Stefan Asch | 2004-07-27 |
| 6744942 | Optical cross-connect | Oliver Jahreis | 2004-06-01 |
| 6731872 | Method for monitoring the operation of optical fibers | Gerhard Stortz, Detlef Stoll, Reinhard Johannsen, Wilhelm-Martin Plotz | 2004-05-04 |