Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6936340 | Magnetic recording medium | Helmut Jakusch, Albert Kohl, Peter Heilmann, Ria Kress, Stefan Müller +2 more | 2005-08-30 |
| 6835450 | Magnetic recording medium | Albert Kohl, Helmut Jakusch, Andreas Ilmer, Peter Heilmann, Ria Kress +2 more | 2004-12-28 |
| 6231963 | Magnetic recording media | August Lehner, Helmut Jakusch, Volker Koch, Manfred Ohlinger, Albert Kohl +7 more | 2001-05-15 |
| 6030118 | Temperature indicator for refrigerated products or the like | Norbert Schneider, Gunther Bettinger | 2000-02-29 |
| 5982567 | Magnetic recording apparatus with magnetic recording medium having high recording density | Hans J. Richter, Werner Lenz | 1999-11-09 |
| 5569409 | Finely divided acicular magnetic modified chromium dioxide | Harald Jachow, Reinhard K orner, Ekkehard Schwab, Helmut Jakusch, Bernd H oppner +2 more | 1996-10-29 |
| 5490476 | Temperature indicator for deep-frozen products | Helmut Jakusch, Peter Heilmann | 1996-02-13 |
| 5484628 | Preparation of acicular cobalt-containing magnetic iron oxide | Ekkehard Schwab, Reinhard Korner, Emil Pfannebecker, Bernd Hoppner | 1996-01-16 |
| 5378383 | Process for preparing modified chromium dioxide | Harald Jachow, Ekkehard Schwab, Reinhard Koerner, Norbert Mueller, Rudi Lehnert +4 more | 1995-01-03 |
| 5183709 | Acicular cobalt-modified iron oxides and their preparation | Ekkehard Schwab, Helmut Auweter | 1993-02-02 |
| 5153022 | Stochastic orientation of magnetic recording media | Gerhard Soehring, Helmut Jakusch, Volker Koch | 1992-10-06 |