Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9000697 | System and method for driving three-phase motor | — | 2015-04-07 |
| 8975964 | BEMF monitor gain calibration stage in hard disk drive servo integrated circuit | Qunying Li, Wenxiao Tan | 2015-03-10 |
| 8922147 | Quiet motor control system | John K. Rote, Brian L. Schmidt | 2014-12-30 |
| 8493010 | Quiet motor control system | John K. Rote, Brian L. Schmidt | 2013-07-23 |
| 8217615 | Current sensing in a disk-drive spindle motor | Wenxiao Tan | 2012-07-10 |
| 7054091 | Digital processor controlled method and circuit for retracting a head carriage assembly to a parked position in a mass data storage device, or the like | — | 2006-05-30 |
| 6940675 | Efficient hard disk drive energy recovery circuit and method and a hard disk drive incorporating the same | Mehedi Hassan | 2005-09-06 |
| 6798271 | Clamping circuit and method for DMOS drivers | — | 2004-09-28 |
| 6163118 | Method and apparatus for controlling a motor in a mass storage device | Hao Chen, Bertram J. White | 2000-12-19 |