Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8743504 | Servoing on zoned concentric servo sectors of a first disk surface to write a spiral servo track to a second disk surface | Yun-Gi Hong, Charles A. Park | 2014-06-03 |
| 7688539 | Disk drive self servo writing spiral tracks by propagating bursts | Yakov M. Lifchits, Siri S. Weerasooriya | 2010-03-30 |
| 7602575 | Disk drive adjusting estimated reader/writer offset to achieve target burst crossing signal amplitude when propagating servo sectors | Yakov M. Lifchits, Siri S. Weerasooriya, Wing Ying | 2009-10-13 |
| 7382711 | Method and apparatus for constant linear velocity electron beam substrate processing | Sundeep Chauhan, Neil Deeman, Christopher Formato, David S. Kuo | 2008-06-03 |
| 7298678 | Rotating recorder with dual encoder arrangement having eccentricity compensation | Sundeep Chauhan, David S. Kuo | 2007-11-20 |
| 7199959 | Repeatable timing error correction system for use in a servo writer | — | 2007-04-03 |
| 7038225 | Method and apparatus for electron beam processing of substrates | David S. Kuo, Christopher Formato, Neil Deeman, Sundeep Chauhan | 2006-05-02 |
| 6979831 | Method and apparatus for a formatter following electron beam substrate processing system | Sundeep Chauhan, Neil Deeman, Christopher Formato, David S. Kuo | 2005-12-27 |
| 6785075 | Self-writing servo and clock fields on a recording medium | Gabor Szita, Alan A. Fennema, Karl A. Belser, Robert Dale Murphy | 2004-08-31 |
| 6771443 | Circumferential positioning of servo sectors for servo track writing | Gabor Szita, Karl A. Belser, Alan A. Fennema | 2004-08-03 |
| 6724558 | Servo writing in a disc drive with substantially identical heads having read and write elements in a radial offset position | Karl A. Belser, Robert Dale Murphy | 2004-04-20 |
| 6721125 | Position sensing system for disc drive magnetic microactuators | — | 2004-04-13 |
| 6414807 | Method and apparatus for optically sensing accurate clock patterns | Charles Anthony Bates, David S. Kuo, Eric G. Rawson | 2002-07-02 |
| 6356401 | Method and apparatus for forming accurate optical clock patterns | Charles Anthony Bates, David S. Kuo, Eric G. Rawson | 2002-03-12 |
| 6349079 | System and method for detecting a head positioning error within a computer memory device | Karl A. Belser, John Richards | 2002-02-19 |
| 5760942 | Noise tolerant receiver for wideband optical transmission system | — | 1998-06-02 |
| 5255257 | Frequency, phase and amplitude control apparatus and method for acousto-optic deflector optimization | James W. Dickson, David R. Rodal | 1993-10-19 |
| 4600868 | Open loop acceleration/deceleration control for disk drive stepper motors | — | 1986-07-15 |