Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12158180 | Fluid dynamic bearing, spindle motor, hard disk drive device | Kazuya Iinuma | 2024-12-03 |
| 11651798 | Base member and method of manufacturing the same, spindle motor, and hard disk drive device | Akihiko Suzuki | 2023-05-16 |
| 10666100 | Spindle motor, hard disk drive device, and method of manufacturing spindle motor | Akihiko Suzuki, Makoto Chonan | 2020-05-26 |
| 7661882 | Fluid dynamic pressure bearing device, spindle motor provided with the fluid dynamic pressure bearing device, and recording disk drive device | Rikuro Obara | 2010-02-16 |
| 7654744 | Fluid dynamic bearing mechanism for a motor | Rikuro Obara | 2010-02-02 |
| 7251891 | Production method for sintered bearing member, fluid dynamic pressure bearing device, and spindle motor | Katsutoshi Nii, Shunichi Togashi | 2007-08-07 |
| 7144161 | Hydrodynamic bearing system for a rotary bearing of spindle motors | Andreas Kull | 2006-12-05 |
| 6469410 | Spindle motor for driving disc | — | 2002-10-22 |
| 6455965 | Spindle motor having an extended outer ring above a hub | — | 2002-09-24 |