Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4893909 | Magneto-optical light switching element and method of manufacturing same | Peter Hansen, Claus-Peter Klages, Klaus-Peter Schmidt, Wolfgang F. M. Tolksdorf | 1990-01-16 |
| 4770504 | Magneto-optical light switching element and method of manufacturing same | Peter Hansen, Claus-Peter Klages, Klaus-Peter Schmidt, Wolfgang F. M. Tolksdorf | 1988-09-13 |
| 4578651 | Magnetooptical modulator | Heinrich Heitmann, Wolfgang F. M. Tolksdorf, Fritz Welz | 1986-03-25 |
| 4314894 | Method of making a magnetic memory layer | Christoph Schmelzer, Reimar Spohr, Jens-Peter Krumme, Heinrich Heitmann | 1982-02-09 |
| 4274935 | Magnetic memory layer | Christoph Schmelzer, Reimar Spohr, Jens-Peter Krumme, Heinrich Heitmann | 1981-06-23 |