Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12094503 | Continuous frequency servo in a data storage device | Guoxiao Guo, Charles A. Park, Scott A. Ottele, Gary Herbst | 2024-09-17 |
| 11532326 | Data storage device self-servo writing by compensating for corrupted spiral track crossing signal | — | 2022-12-20 |
| 9286925 | Data storage device writing multiple burst correction values at the same radial location | Stanley H. Shepherd, Yakov M. Lifschitz, Min Chen, Guoxiao Guo | 2016-03-15 |
| 7891080 | Techniques for detecting head-disc contact | James C. Alexander | 2011-02-22 |
| 7529055 | Writing reference patterns in a disk drive using back EMF based timing signals compensated for repeatable variation therein | David S. McMurtrey, Brian P. Rigney, Richard LeSage | 2009-05-05 |
| 7502194 | Head-disc contact detection using a microactuator | James C. Alexander | 2009-03-10 |
| 7499234 | Method and apparatus for modifying spiral profile using reference tracks written onto a disk surface of a disk drive | Brian P. Rigney, John L. Seabury | 2009-03-03 |
| 7251095 | Method and apparatus for performing best head detection in a disk drive using reference tracks | Brian P. Rigney, Todd Franks | 2007-07-31 |