Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8116023 | Disk drive comprising preamble aligned zoned servo sectors | — | 2012-02-14 |
| 7715138 | Disk drive estimating a servo zone after synchronously detecting a servo sync mark | — | 2010-05-11 |
| 7619841 | Disk drive subtracting low frequency disturbance from a servo burst signal | — | 2009-11-17 |
| 7551383 | Adjusting voltage delivered to disk drive circuitry based on a selected zone | — | 2009-06-23 |
| 7440214 | Disk drive and method having cost-effective storage of the disk drive's internal program code | Travis E. Ell, Hoa V. Le, Jonathan Nguyen, Saied Tamaddon-Dallal, Virat Thantrakul +1 more | 2008-10-21 |
| 7372650 | Rotating media storage device having a calibration track with unique calibration servo synch marks | — | 2008-05-13 |
| 7333290 | Magnetic disk in a disk drive and method having improved null servo burst phasing | — | 2008-02-19 |
| 7215496 | Disk drive having adaptively-sized sectors to compensate for disk eccentricity | Philip S. Gordon | 2007-05-08 |
| 7116505 | Reducing the length of servo-wedges in a disk drive | — | 2006-10-03 |
| 7075746 | Disk drives and disk drive containing devices that include a servo frequency generator and spindle control timer that compensate for disk eccentricity | — | 2006-07-11 |
| 7057836 | Disk drive servo controller utilizing an extended servo header | — | 2006-06-06 |
| 7046465 | Disk drive having one or more partial servo wedges that includes a short servo sync mark that is different than the servo sync word of full servo wedges | — | 2006-05-16 |
| 7027257 | Disk drive having a disk including a servo burst pattern in which a phase difference between radially adjacent servo bursts is less than 180 degrees | — | 2006-04-11 |
| 7023637 | Disk drive having a disk including a servo burst pattern that improves the signal to noise ratio during track following for writing | — | 2006-04-04 |
| 7023639 | Servo synchronization validation techniques based on both servo synch marks and wedge identifiers in a rotating media storage device | — | 2006-04-04 |
| 6980389 | Disk drive having a disk including a servo burst pattern having a normal servo burst field and a quadrature servo burst field | — | 2005-12-27 |
| 6934104 | Servo synchronization based on a servo synch mark that conflicts with self-clocking encoding algorithms | — | 2005-08-23 |
| 6882486 | Disk drive comprising asynchronous/synchronous gain control for fault tolerant detection of servo sync mark after head switch | — | 2005-04-19 |
| 6687073 | Method of simultaneously writing servo tracks on a hard disk drive | — | 2004-02-03 |
| 6657810 | Disk drive employing separate read and write repeatable runout estimated values for a head having a read element offset from a write element | — | 2003-12-02 |
| 6545835 | Method and apparatus for RRO learning before and after shipping to cancel RRO in a disk drive | Raffi Codilian, Yoo H. Kim | 2003-04-08 |
| 6525892 | Method of calibrating a write current-setting for servo writing a disk drive | Gary L. Dunbar, Yoo H. Kim, Brian K. Tanner, David Price Turner | 2003-02-25 |
| 6493173 | Headerless disk drive comprising repeatable runout (RRO) correction values recorded at a user data rate | Yoo H. Kim | 2002-12-10 |
| 6480349 | Disk drive employing a non-volatile semiconductor memory for storing read channel parameter calibrated for the disk drive used to recover disk channel parameter | Yoo H. Kim | 2002-11-12 |
| 5940240 | Constant velocity servo linearity calibration method for MR head | — | 1999-08-17 |