Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11508403 | Reducing the effect of actuator cross-coupling in split actuator drives | Gabor Szita, Jiangang Liang, Gary W. Calfee | 2022-11-22 |
| 10074392 | Techniques for clearly distinguishing between neighboring spirals in an SSW scheme | — | 2018-09-11 |
| 9514774 | Spiral pitch correction based on micro-jog variation | Gabor Szita, Jiangang Liang | 2016-12-06 |
| 8625223 | Multi-directional self servo-writing for a disk drive | — | 2014-01-07 |
| 8031429 | Multi-directional self servo-writing for a disk drive | — | 2011-10-04 |
| 7894156 | Determination of wedge offset correction values for a disk drive | Richard M. Ehrlich | 2011-02-22 |
| 7719781 | Method and apparatus for phase-shift null-burst-pattern | Richard M. Ehrlich | 2010-05-18 |
| 7715144 | Track error measurement and recovery | — | 2010-05-11 |
| 7457066 | Method and apparatus for phase-shift null-burst-pattern | Richard M. Ehrlich | 2008-11-25 |
| 7133240 | Systems and methods for two-step self-servowriting without removing timing eccentricity on intermediate patterns | Richard M. Ehrlich | 2006-11-07 |
| 7095580 | Methods to determine gross and fine positioning on a reference surface of a media | Richard M. Ehrlich, Gary W. Calfee, James V. Wiseman | 2006-08-22 |
| 7092182 | Marker-zone to determine gross positioning on a reference surface of a media | Richard M. Ehrlich, Gary W. Calfee, James V. Wiseman | 2006-08-15 |