Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7692394 | Power supply output control apparatus and method | Christopher L. Hill | 2010-04-06 |
| 6977477 | Systems, apparatus, and methods for motor control | Donald R. Bloyer, Matthew Hastings | 2005-12-20 |
| 6876114 | Apparatus for reducing spindle motor magnetic drag | Ralph James Knotts | 2005-04-05 |
| 6747838 | Thermal performance of an integrated amplifier in a disc drive | Ranjeet K. Pancholy, Hakam D. Hussein | 2004-06-08 |
| 6731453 | Optimizing thermal performance of an integrated circuit in a disc drive | Brian Pollock | 2004-05-04 |
| 6166503 | Disc drive spindle motor with programmable current control | Christopher L. Hill | 2000-12-26 |
| 6028411 | Circuit and method for modulating the commutation frequency of a disc drive motor | Andrew R. Motzko | 2000-02-22 |
| 6016043 | Method and apparatus for controlling a motor in a disc drive by modulating the commutation angle | Andrew R. Motzko, John M. Baker, Stuart K. Francis | 2000-01-18 |
| 6011375 | Disc drive spindle motor with programmable current control | Christopher L. Hill | 2000-01-04 |
| 5446606 | Disc drive with separate landing and takeoff zones | Mark Brunner, Jonathan E. Hall | 1995-08-29 |
| 5093595 | Spindle motor having reduced torque ripple | — | 1992-03-03 |