Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10769936 | Sensor data transmission system | — | 2020-09-08 |
| 10424992 | Fluid-dynamic bearing system | Michael Bruckhoff, Tobias Kirchmeier, Olaf Winterhalter, Jorg Hoffmann | 2019-09-24 |
| 8562218 | Fluid dynamic bearing system and a spindle motor having a fluid dynamic bearing system | — | 2013-10-22 |
| 8322927 | Fluid dynamic bearing | Olaf Winterhalter | 2012-12-04 |
| 7625125 | Spindle motor | Martin Bauer, Frank Drautz | 2009-12-01 |
| 7465097 | Fluid dynamic bearing system | — | 2008-12-16 |
| 7345392 | Spindle motor having a hydrodynamic bearing system | Martin Hafen, Joerg Hoffmann, Tobias Kirchmeier, Rudolf Neumann, Thilo Rehm +1 more | 2008-03-18 |
| 7290933 | Hydrodynamic bearing, spindle motor and hard disk drive | Dieter Braun, Joerg Hoffmann | 2007-11-06 |
| 7144161 | Hydrodynamic bearing system for a rotary bearing of spindle motors | Tadashi Akahori | 2006-12-05 |
| 7125169 | Hydrodynamic pivot bearing | Olaf Winterhalter, Joerg Hoffmann, Martin Hafen | 2006-10-24 |
| 7068466 | Spindle motor for hard disk drives | — | 2006-06-27 |
| 7016146 | Low power spindle motor with a fluid dynamic spool bearing | — | 2006-03-21 |
| 7008110 | Hydrodynamic pivot bearing | Olaf Winterhalter, Joerg Hoffmann, Martin Hafen | 2006-03-07 |
| 6998745 | Dynamo-electric machine having a rotor with first and second axially or rotationally displacable field magnets | Toshimitsu Horiuchi | 2006-02-14 |
| 6980393 | Low power spindle motor with a fluid dynamic thrust bearing having a reduced outer diameter | — | 2005-12-27 |
| 6951422 | Low power spindle motor with a stepped shaft | — | 2005-10-04 |
| 6943985 | Spindle motor and hard disk drive | Joerg Hoffman, Olaf Winterhalter | 2005-09-13 |
| 6911748 | Spindle motor | — | 2005-06-28 |
| 6876112 | Low power spindle motor with a fixed shaft | — | 2005-04-05 |
| 6848829 | Hydrodynamic bearing arrangement for a spindle motor | Martin Hafen, Jorg Hoffmann, Mathias Wildpreth | 2005-02-01 |
| 6841907 | Spindle motor for hard disk drives having a hydrodynamic bearing arrangement | — | 2005-01-11 |
| 6815854 | Low power spindle motor with a fixed shaft | — | 2004-11-09 |