Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6879466 | Disk drive including an actuator with a constrained layer damper disposed upon an actuator body lateral surface | Chen-Chi Lin | 2005-04-12 |
| 6862156 | Disk drive including a disk plate having a damping member | Chen-Chi Lin | 2005-03-01 |
| 6856491 | Pivot bearing cartridge including central pivot element and ball bearing set | — | 2005-02-15 |
| 6856492 | Pivot bearing cartridge including central pivot element and ball bearing set | — | 2005-02-15 |
| 6816343 | Disk drive including an actuator coil with side segments equally overlapping inner and outer magnet sets | — | 2004-11-09 |
| 6816342 | Disk drive including a pair of actuator coils each with a radial segment generally perpendicular to inner and outer segments and overlapping with inner and outer magnets | — | 2004-11-09 |
| 6801404 | Disk drive including a rotary actuator with thermo-conductive coil support element and coil | — | 2004-10-05 |
| 6791801 | Pivot bearing cartridge including ball bearing set and magnet element for ball bearing set pre-loading | — | 2004-09-14 |
| 6741428 | Spindle motor having inner and outer ball bearing sets | — | 2004-05-25 |
| 6731470 | Pivot bearing cartridge having inner and outer ball bearing sets | — | 2004-05-04 |
| 6710981 | Disk drive having a low inertia and narrow angle coil | Chunjer C. Cheng | 2004-03-23 |
| 6707641 | Spindle motor having stator rim formed of concentric laminate layers | Raffi Codilian | 2004-03-16 |
| 6594111 | Spindle motor having stator rim formed of curved arc segments | Raffi Codilian | 2003-07-15 |
| 6529351 | Disk drive comprising a voice coil motor having a yoke with a multiple-bend magnetic flux conductor | Mitchell Dougherty | 2003-03-04 |
| 6519116 | Actuator arm assembly having bearing gap formed between bearing outer race and pivot sleeve for mitigating torque ripple on actuator arm in a disk drive | Chen-Chi Lin, Shawn E. Casey | 2003-02-11 |
| 6462914 | Voice coil motor comprising a voice coil wrapped around a rotary voice coil yoke comprising a low reluctance end and a high reluctance end | Shawn E. Casey, Jason T. Weaver, Mitchell Dougherty | 2002-10-08 |
| 6421208 | Disk drive employing a voice coil motor comprising a yoke for generating a undirectional magnetic flux and a voice coil partially interacting with the undirectional magnetic flux | — | 2002-07-16 |
| 6208486 | Spindle motor flange land portion | John R. Gustafson, Payman Hassibi | 2001-03-27 |
| 6080352 | Method of magnetizing a ring-shaped magnet | John C. Dunfield, Gunter Heine, Marcel Jufer | 2000-06-27 |
| 5822155 | Magnetic latch assembly for a disk drive including a ferromagnetic holder surrounding a permanent magnetic | Andrew J. Hudson, Walter W. Butler | 1998-10-13 |
| 5808839 | Disc drive cartridge including magnetic bearings | John C. Dunfield | 1998-09-15 |
| 5698911 | Low leakage actuator for high performance | John C. Dunfield | 1997-12-16 |
| 5621591 | Dual coil voice coil motor | Alireza Rahimi | 1997-04-15 |
| 5619083 | Passive magnetic bearings for a spindle motor | John C. Dunfield, Gunter Heine | 1997-04-08 |
| 5610463 | Passive magnetic bearings for a spindle motor | John C. Dunfield, Gunter Heine | 1997-03-11 |