Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7869152 | Techniques for identifying servo sectors in storage devices | Mario Blaum, Bruce A. Wilson | 2011-01-11 |
| 7586709 | Read write offset error correction using geometric reference in self servo write process | Craig Fukushima, Kishan K. Kumbla | 2009-09-08 |
| 7551379 | Write element before read element with early servo termination on write | Bernd Lamberts | 2009-06-23 |
| 7309967 | Motor drive circuitry with regenerative braking for disk drive | Michael Moser, Bryan Scott Rowan | 2007-12-18 |
| 7227710 | Method for operating disk drive having improved timing marks | Mario Blaum | 2007-06-05 |
| 7089353 | Radial self-propagation pattern generation for disk file servowriting | Timothy J. Chainer | 2006-08-08 |
| 7042666 | Disk drive having improved timing marks | Mario Blaum | 2006-05-09 |
| 6975478 | Method for calibrating disk drive servo control system gain values during manufacturing | Craig Fukushima, Kevin Tzou | 2005-12-13 |
| 6909576 | Method, system, and program for generating control signals to perform a seek operation | — | 2005-06-21 |
| 6873489 | Method, system, and program for estimating coil resistance of a voice coil motor in a disk drive system | Peter Ho | 2005-03-29 |
| 6865042 | Embedded servo patterning methods and apparatus | George A. Dunn | 2005-03-08 |
| 6594106 | Adaptive servo estimator and compensator for coil and carriage deformation in voice coil motor driven hard disk drive | Louis J. Serrano, Kirk B. Price, Lei Zhang | 2003-07-15 |
| 6577463 | Tangential misalignment precompensation in a direct access storage device | Gregory Michael Frees, Kirk B. Price, Louis J. Serrano | 2003-06-10 |
| 6563657 | Multiple and reconfigurable data access and storage device using multiple actuators | Louis J. Serrano, Kirk B. Price | 2003-05-13 |
| 6522495 | System, method and program for determining the magnetic center shift within a disk drive system | Bernd Lamberts | 2003-02-18 |
| 6519109 | Method and apparatus for providing feedforward control of two interacting actuators | Kirk B. Price, Louis J. Serrano | 2003-02-11 |
| 6469855 | Method and system for adaptive settle and write inhibit constraints based on head geometry and servo/mechanical system | Bernd Lamberts, Louis J. Serrano | 2002-10-22 |
| 6462898 | Disk drive with information encoded in the position error signal fields | Mario Blaum, William John Kabelac, Louis J. Serrano | 2002-10-08 |
| 6456450 | Method and apparatus for reducing track misregistration due to digital-to-analog converter quantization noise | Wei Lu, Roger William Wood | 2002-09-24 |
| 6426843 | Settle time estimator feedback for rotational position reordering in data storage devices | Bernd Lamberts, Louis J. Serrano | 2002-07-30 |
| 6421198 | Linearity compensation for a position error signal based on repeatable and non-repeatable run out in a disk drive | Bernd Lamberts, Louis J. Serrano, Markus Staudenmann | 2002-07-16 |
| 6412058 | Adaptive head address re-map for data storage devices | George Robert Houston, Bernd Lamberts | 2002-06-25 |
| 6388832 | Method and system for providing spindle motor control for head loading in a disk drive | Jeffrey J. Dobbek, Bryan Scott Rowan, Louis J. Serrano | 2002-05-14 |
| 6384998 | Multiplexing servo tracking signals in a disk drive | Kirk B. Price | 2002-05-07 |
| 6362766 | Variable pulse PWM DAC method and apparatus | Bryan Scott Rowan, Louis J. Serrano | 2002-03-26 |