| 8947802 |
Methods and systems for magnetic media servo writing |
Douglas W. Johnson, Roni J. Dornfeld |
2015-02-03 |
| 8867167 |
Tapered pole heads for magnetic media |
Douglas W. Johnson |
2014-10-21 |
| 8867157 |
Perpendicular pole head for servo writing magnetic media |
Douglas W. Johnson, Larold L. Olson, Yung Yip |
2014-10-21 |
| 8797681 |
Servo write head having plural spaced front blocks coupled by magnetic posts to a back bar |
— |
2014-08-05 |
| 8760802 |
Systems and methods for processing magnetic media with first and second magnetic gaps adjacent opposite sides of the recording layer |
Douglas W. Johnson |
2014-06-24 |
| 8643968 |
Methods and systems for magnetic media servo writing |
Douglas W. Johnson, Roni J. Dornfeld |
2014-02-04 |
| 8016194 |
Mobile data storage device reader having both radiofrequency and barcode scanners |
Curtis B. Hause, Sanjay Gupta, Jody L. Gregg |
2011-09-13 |
| 7199957 |
Write head alignment for full amplitude time-based servo |
Richard E. Jewett |
2007-04-03 |
| 7072133 |
Servo mark verify head |
Yung Yip |
2006-07-04 |
| 7068030 |
Magnetic field strength detector |
Michael B. Hintz, Richard E. Jewett, Steven Lindblom |
2006-06-27 |
| 6795267 |
Guided servo writing for data storage media |
Richard E. Jewett, Mark R. Drutowski |
2004-09-21 |
| 6614607 |
Servo pattern recording method and system |
Robert P. Groschen, Jr., Curtis B. Hause, Richard E. Jewett, Steven C. Weber |
2003-09-02 |
| 6040963 |
Fringe field compensation system for multi-track servo recording head |
— |
2000-03-21 |
| 5959812 |
Fringe field compensation system for multi-track servo recording head |
— |
1999-09-28 |
| 5124866 |
Recording head core yoke with full length core support |
— |
1992-06-23 |