Issued Patents All Time
Showing 25 most recent of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6760184 | Compact servo pattern optimized for M-R heads | — | 2004-07-06 |
| 6307705 | Method and apparatus for reducing track switch latency in a disk drive | Clark A. Anderson, Todd B. Anderson, Gerald L. Cadloni, Michael Hicken, Daniel D. Reno +1 more | 2001-10-23 |
| 6079044 | Method and error correcting code (ECC) apparatus for storing predefined information with ECC in a direct access storage device | Richard Greenberg, Michael J. Shea | 2000-06-20 |
| 6057977 | Compact servo pattern optimized for M-R heads | — | 2000-05-02 |
| 6043942 | Selectable write precompensation in a direct access storage device (DASD) | Peter J. Windler | 2000-03-28 |
| 6040955 | Self servo writing file | Dana H. Brown, Thomas C. Christensen, Wayne A. Rogelstad | 2000-03-21 |
| 6035351 | Storage of user defined type file data in corresponding select physical format | Russell A. Billings, Dana H. Brown, Richard Greenberg, Hal Hjalmar Ottesen | 2000-03-07 |
| 6023389 | Method and apparatus for writing servo bursts with compensation for erase bands in a direct access storage device | — | 2000-02-08 |
| 6014277 | Multipath channel apparatus and method using offset parameters to compensate for amplitude and timing errors in data storage devices | Thomas C. Christensen | 2000-01-11 |
| 6005742 | Method and apparatus for controlling a multiple-stage actuator for a disk drive | Long-Sheng Fan, Hal Hjalmar Ottesen, Timothy C. Reiley | 1999-12-21 |
| 6002540 | Method and apparatus for rotary actuator arc compensation correction in a direct access storage device | Kevin J. Erickson, Hal Hjalmar Ottesen | 1999-12-14 |
| 5978163 | Circuit and method for optimizing bias supply in a magnetoresistive head based on temperature | — | 1999-11-02 |
| 5949603 | Self servo writing file using the widest head | Dana H. Brown, Thomas C. Christensen, Wayne A. Rogelstad | 1999-09-07 |
| 5936788 | Method and apparatus for ramp load and unload | Zine-Eddine Boutaghou, Hal Hjalmar Ottesen | 1999-08-10 |
| 5923502 | Magneto-resistive head including a selectively placed low-reluctance path between shields | Thomas C. Christensen, Jodie A. Christner, Jay Mosbrucker | 1999-07-13 |
| 5920441 | Method and apparatus for controlling a multiple-stage actuator for a disk drive | Long-Sheng Fan, Hal Hjalmar Ottesen, Timothy C. Reiley | 1999-07-06 |
| 5859739 | Magnetic data reading apparatus and method using inductive and magnetoresistive heads | Jodie A. Christner | 1999-01-12 |
| 5854722 | Method and apparatus for rotary actuator arc compensation correction in a direct access storage device | Kevin J. Erickson, Hal Hjalmar Ottesen | 1998-12-29 |
| 5831786 | Disk drive having position sensor for ramp load and unload, and method for its use | Zine-Eddine Boutaghou, Hal Hjalmar Ottesen | 1998-11-03 |
| 5790334 | Circuit and method for optimizing bias supply in a magnetoresistive head based on the thermal properties of the MR head itself | — | 1998-08-04 |
| 5790341 | Method and apparatus for reducing servo interference in a magneto-resistive head using skew between head and servo pattern | Jodie A. Christner, Thomas C. Christensen, David Timothy Flynn, Mark Andrew Bergquist, Mark David Hagen | 1998-08-04 |
| 5790352 | Magnetoresistive head with asymmetric leads | — | 1998-08-04 |
| 5783981 | Magnetic reinitialization of thin film magnetoresistive reproducing heads at the suspension level of media drive manufacturing | Samir Elias Abboud, Nickolas Christopher Apuzzo, Jeffrey Bernard Brown, David Hannon, Raymond P. Mallette +3 more | 1998-07-21 |
| 5748415 | Magnetoresistive head with a magnetoresistive film shaped to provide an improved read sensitivity profile | Jodie A. Christner | 1998-05-05 |
| 5682274 | Method and apparatus for positioning transducers to correct for read and write element misregistration offsets which vary dependent on rotary actuator angular position across a disk medium | Dana H. Brown, Kevin J. Erickson, Richard H. Estry, Thomas Glaser, Mark David Hagen +3 more | 1997-10-28 |