Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4747649 | Monolithically integrated WDM demultiplex module and method of manufacture of such module | Jochen Heinen, Hans Mahlein, Reinhard Marz, Manfred Plihal, Gerhard Winzer +1 more | 1988-05-31 |
| 4730330 | Integrated structure for bi-directional optical fiber transmission | Manfred Plihal, Reiner Trommer | 1988-03-08 |