Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5058971 | Planar optical isolator | Hans-Jürgen Schmitt, Jurgen Seidenberg, Hans Dammann, Volker Doormann, Jens-Peter Krumme | 1991-10-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5058971 | Planar optical isolator | Hans-Jürgen Schmitt, Jurgen Seidenberg, Hans Dammann, Volker Doormann, Jens-Peter Krumme | 1991-10-22 |