Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12335618 | Optical image stabilization (OIS) control mode with per-image frame recentering | Santiago Alban, Yunfeng Li | 2025-06-17 |
| 11798587 | Reducing noise in back EMF sensing for data storage | Guoxiao Guo, Triet Tieu, Duc H. Banh, Tianyu Jiang | 2023-10-24 |
| 11581012 | Data storage device with multi-actuator drive with cross-actuator alignment | Trung Trieu, Bryson Mitsui | 2023-02-14 |
| 11417363 | Data storage device calibrating write parameter by pressing actuator against crash stop | Duc H. Banh | 2022-08-16 |
| 9245560 | Data storage device measuring reader/writer offset by reading spiral track and concentric servo sectors | Charles A. Park, Siri S. Weerasooriya | 2016-01-26 |
| 9208810 | Data storage device attenuating interference from first spiral track when reading second spiral track | Charles A. Park, Brian P. Rigney, Siri S. Weerasooriya | 2015-12-08 |
| 9076490 | Disk drive writing radial offset spiral servo tracks by reading spiral seed tracks | Edgar D. Sheh, Siri S. Weerasooriya | 2015-07-07 |
| 9064537 | Disk drive measuring radial offset between heads by detecting a difference between ramp contact | Edgar D. Sheh, Brian P. Rigney | 2015-06-23 |
| 9053727 | Disk drive opening spiral crossing window based on DC and AC spiral track error | Brian P. Rigney, Edgar D. Sheh | 2015-06-09 |
| 9047901 | Disk drive measuring spiral track error by measuring a slope of a spiral track across a disk radius | Edgar D. Sheh, Siri S. Weerasooriya | 2015-06-02 |
| 8982490 | Data storage device reading first spiral track while simultaneously writing second spiral track | Charles A. Park, Edgar D. Sheh, Brian P. Rigney, Siri S. Weerasooriya | 2015-03-17 |
| 8941939 | Disk drive using VCM BEMF feed-forward compensation to write servo data to a disk | Brian P. Rigney, Stanley H. Shepherd | 2015-01-27 |
| 8902535 | Disk drive adapting feed-forward compensation using iterative learning control over segments of seek length | Edgar D. Sheh, Siri S. Weerasooriya | 2014-12-02 |