Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8498076 | Disk drive biasing timing recovery measurements for spiral tracks based on radial location of head | Edgar D. Sheh, Charles A. Park | 2013-07-30 |
| 8432629 | Disk drive centering sync frames on sync marks of a spiral track | Brian P. Rigney, Steven C. Smith, Boworn Panyavoravaj | 2013-04-30 |
| 7688539 | Disk drive self servo writing spiral tracks by propagating bursts | Lawrence M. Bryant, 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 | Lawrence M. Bryant, Siri S. Weerasooriya, Wing Ying | 2009-10-13 |
| 7333280 | Servo writing a disk drive by synchronizing a servo write clock to a reference pattern on the disk and compensating for repeatable phase error | Wing Ying, Yilin Cai, Siri S. Weerasooriya | 2008-02-19 |
| 6754025 | Disk drive spindle motor speed and timing control | Stanley H. Shepherd, Michael Moser, Ching-Tzuen Tarn, Mohamad A. Rezvani | 2004-06-22 |