Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7031100 | Motor torque constant variation compensation | Jeffrey D. Andress, Ryan Lyle | 2006-04-18 |
| 6850385 | Repeated servo runout error compensation in a disc drive | — | 2005-02-01 |
| 6456452 | Feed forward compensation for repeatable head position error in a disc drive | Daniel Eugene Hobson | 2002-09-24 |
| 6061201 | Method of measuring the read-to-write offset in a disc drive having separate read and write elements | — | 2000-05-09 |
| 5978169 | Repeated servo runout error compensation in a disc drive | — | 1999-11-02 |
| 5777816 | Data track following method for disc drives | Randall D. Hampshire | 1998-07-07 |
| 5774297 | Dynamic compensation of servo burst measurement offsets in a disc drive | Randall D. Hampshire, Lealon R. McKenzie, Clyde Everett Goodner, III | 1998-06-30 |
| 5262907 | Hard disc drive with improved servo system | Dennis D. Duffy, Lealon R. McKenzie, Fereidoon Heydari | 1993-11-16 |