Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122250 | Method of manufacturing iron garnet layers | Volker Doormann, Wolfgang Radtke | 1992-06-16 |
| 5058971 | Planar optical isolator | Hans-Jürgen Schmitt, Jurgen Seidenberg, Norbert Thorweihe, Hans Dammann, Volker Doormann | 1991-10-22 |
| 4946241 | Method of manufacturing iron garnet layers | John Petruzello, Wolfgang Radtke | 1990-08-07 |
| 4849080 | Method of manufacturing an optical stripline waveguide for non-reciprocal optical components | Volker Doorman | 1989-07-18 |
| 4778580 | Method of manufacturing structured epitaxial layers on a substrate | Volker Doormann | 1988-10-18 |
| 4314894 | Method of making a magnetic memory layer | Christoph Schmelzer, Reimar Spohr, Klaus Witter, Heinrich Heitmann | 1982-02-09 |
| 4274935 | Magnetic memory layer | Christoph Schmelzer, Reimar Spohr, Klaus Witter, Heinrich Heitmann | 1981-06-23 |