Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8373325 | Rotating electric machine system | — | 2013-02-12 |
| 8242653 | Magnetic flux controllable rotating electric machine system | — | 2012-08-14 |
| 8207645 | Magnetic flux controllable rotating electric machine system | — | 2012-06-26 |
| 7999432 | Field controllable rotating electric machine system with magnetic excitation part | — | 2011-08-16 |
| 7567006 | Field controllable rotating electric machine system with flux shunt control | — | 2009-07-28 |
| 6686674 | Motor having single cone fluid dynamic bearing balanced with magnetic attraction | — | 2004-02-03 |
| 6664686 | Motor having single cone air dynamic bearing balanced with shaft end magnetic attraction | — | 2003-12-16 |
| 6664687 | Motor having single cone fluid dynamic bearing balanced with shaft end magnetic attraction | — | 2003-12-16 |
| 6657343 | Magnetic fluid bearing motor employing porous sleeve | — | 2003-12-02 |
| 6549366 | Rotation-stabilizing ambient gaseous fluid guide for rotary and storage devices | — | 2003-04-15 |
| 6493181 | Thrust hydrodynamic bearing, spindle motor provided therewith, and disk drive utilizing the motor | — | 2002-12-10 |
| 6456458 | Disk-drive motor rotating on a magnetically counterbalanced single hydrodynamic thrust bearing | — | 2002-09-24 |
| 6404087 | Motor including hydrodynamic bearings with pair of thrust plates | — | 2002-06-11 |
| 6361214 | Hydrodynamic-pressure bearing device and motor provided with the hydrodynamic-pressure bearing device | — | 2002-03-26 |
| 6339270 | Motor for driving storage disks, and storage disk drive device provided therewith | — | 2002-01-15 |
| 6307293 | Motor having a hydrodynamic pressure bearing | — | 2001-10-23 |
| 6250808 | Motor having a plurality of dynamic pressure bearings | — | 2001-06-26 |
| 6246136 | Motor and method for manufacturing the same | — | 2001-06-12 |
| 6211592 | Motor for driving storage disks | — | 2001-04-03 |
| 6126320 | Hydrodynamic pressure bearing | — | 2000-10-03 |
| 6066903 | Hydrodynamic bearing for use in an electric motor and an electric motor having the hydrodynamic bearing | — | 2000-05-23 |
| 6059459 | Hydrodynamic pressure bearing | — | 2000-05-09 |
| 6036369 | Fluid dynamic pressure bearing and motor and magnetic disk apparatus using fluid dynamic pressure bearing | — | 2000-03-14 |
| 6034454 | Motor | — | 2000-03-07 |
| 5879084 | Hydrodynamic bearing | — | 1999-03-09 |