Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9694707 | Electric vehicle battery systems with exchangeable parallel electric vehicle battery modules | — | 2017-07-04 |
| 9315113 | Electric vehicle battery systems with exchangeable parallel electric vehicle battery modules | — | 2016-04-19 |
| 6279108 | Programmable microcontroller architecture for disk drive system | John P. Squires, Thomas A. Fiers | 2001-08-21 |
| 6239935 | Method and apparatus for starting a hard disk drive having separate landing and data zones | — | 2001-05-29 |
| 6222692 | Apparatus and method for controlling the frequency at which data is written in a disk drive system | — | 2001-04-24 |
| 6151177 | Apparatus for compensating for non-linear characteristics of magnetoresistive heads | Matthew Schwall | 2000-11-21 |
| 6107945 | Correlated sampled area detector | — | 2000-08-22 |
| 6061198 | Start/stop architecture for hard disk drive utilizing a magnetoresistive head and zone texture media | — | 2000-05-09 |
| 5930072 | Head-disk assembly for reducing noise coupled into magnetoresistive head preamplifiers | — | 1999-07-27 |
| 5854720 | Low-power hard disk drive system architecture | John P. Squires | 1998-12-29 |
| 5825578 | Method and apparatus for compensating track position due to written-in runout error in a disc drive | Charles M. Sander | 1998-10-20 |
| 5734522 | Disc drive system with slider for reading and writing adjacent portions of a zone textured disc | — | 1998-03-31 |
| 5608583 | System for qualifying the detection of a servo dibit | — | 1997-03-04 |
| 5585974 | Disk drive with PRML read channel calibration using a noise generator | — | 1996-12-17 |
| 5532889 | Winchester drive card including an actuator arm body, actuator arm plates, and a VCM magnet external to a controlled environment | Frederick M. Stefansky, Thomas A. Fiers | 1996-07-02 |
| 5530600 | Signal processing system including adaptive read equalizer with shut off mode for disk drives | — | 1996-06-25 |
| 5521768 | Low-power hard disk drive system architecture | John P. Squires | 1996-05-28 |
| 5504790 | Digital data phase detector | — | 1996-04-02 |
| 5402200 | Low-power hard disk drive system architecture | John P. Squires | 1995-03-28 |
| 5381281 | Disk drive system using multiple embedded quadrature servo fields | John P. Squires | 1995-01-10 |
| 5121262 | Disk drive system employing adaptive read/write channel controls and method of using same | John P. Squires | 1992-06-09 |
| 4979056 | Disk drive system controller architecture | John P. Squires, Thomas A. Fiers | 1990-12-18 |
| 4979055 | Disk drive system controller architecture utilizing embedded real-time diagnostic monitor | John P. Squires, Thomas A. Fiers | 1990-12-18 |
| 4876491 | Method and apparatus for brushless DC motor speed control | John P. Squires | 1989-10-24 |
| 4746997 | Method and apparatus for generating/detecting and address mark | Nicolas C. Assouad | 1988-05-24 |