Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4755315 | Preparation of cobalt-containing isotropic magnetic iron oxides | Werner Steck, Rainer Feser, Helmut Jakusch, Peter Rudolf, Guenter Vaeth | 1988-07-05 |
| 4664831 | Preparation of finely divided ferrite powders | Hartmut Hibst | 1987-05-12 |
| 4560624 | Magnetic recording media with a dual protective coating of silicon monoxide and chromium | Christine Guttner, Peter Heilmann, Dieter Mayer, Werner Grau | 1985-12-24 |