| 12283293 |
Measuring laser diode temperature and predicting mode hops using laser diode resistance |
Sukumar Rajauria, Dongying Li |
2025-04-22 |
|
| 12198737 |
Temperature control of a laser diode by applying reverse bias in a data storage device configured for heat-assisted magnetic recording |
Sukumar Rajauria |
2025-01-14 |
|
| 12190908 |
Near-field transducer (NFT) designs for improved performance of heat-assisted magnetic recording (HAMR) |
Sukumar Rajauria, Robert L. Smith |
2025-01-07 |
|
| 12170435 |
Managing laser diode cavity thermal transients in HAMR disk drives |
Sukumar Rajauria, Robert L. Smith |
2024-12-17 |
$82,578,000 |
| 12142896 |
Preheating laser diodes with reverse bias for HAMR disk drives |
Sukumar Rajauria, Robert L. Smith, Joey M. Poss |
2024-11-12 |
$80,541,000 |
| 12027181 |
Tape assemblies having flangeless reel configurations and single flange reel configurations for magnetic recording devices |
Robert L. Smith |
2024-07-02 |
$33,124,000 |
| 11978479 |
Regenerative braking for tape drive |
— |
2024-05-07 |
$16,486,000 |
| 11934687 |
Full disk serpentine write path for tamper-proof disk drive |
Sukumar Rajauria, Robert L. Smith |
2024-03-19 |
$9,873,000 |
| 11881230 |
Heat treatment of NFT and surrounding material |
Sukumar Rajauria, Oscar J. Ruiz |
2024-01-23 |
$12,313,000 |
| 11694722 |
Data timestamp and read counter for magnetic recording devices |
Shaomin Xiong, Robert L. Smith, Sukumar Rajauria |
2023-07-04 |
|
| 11562769 |
Tape assemblies having movable reel configurations for magnetic recording devices |
Robert L. Smith |
2023-01-24 |
$12,299,000 |
| 10783913 |
Data storage device measuring air bearing resonant frequency to calibrate fly height touchdown power |
Sukumar Rajauria, Weldon M. Hanson, Yeoungchin Yoon |
2020-09-22 |
$19,280,000 |
| 10699736 |
Data storage device detecting abnormality with a write assist element based on slope of protrusion |
Sukumar Rajauria, Harold H. Gee |
2020-06-30 |
$13,377,000 |
| 10650850 |
Hard disk drive with write gap conductive structure and dual independent interface voltage control circuitry |
Sukumar Rajauria, Na Wang, Qing Dai, John Contreras |
2020-05-12 |
$10,650,000 |
| 10395678 |
Method and system for determining slider-disk contact in a magnetic recording disk drive with dual fly-height actuators |
Sukumar Rajauria, Robert L. Smith |
2019-08-27 |
$33,289,000 |
| 10283145 |
Electromagnetically-shielded near-field transducer thermal sensor for heat-assisted magnetic recording |
Sukumar Rajauria, Wan Kuang, Takuya Matsumoto, Robert L. Smith |
2019-05-07 |
$6,761,000 |
| 10056098 |
Data storage device employing multi-mode sensing circuitry for multiple head sensor elements |
Sukumar Rajauria, John Contreras, Joey M. Poss, Rehan Ahmed Zakai, Robert L. Smith +1 more |
2018-08-21 |
$15,220,000 |
| 9922676 |
Data storage device gradually decreasing laser power after write operation |
Oscar J. Ruiz, Na Wang, Shaomin Xiong, Qing Dai |
2018-03-20 |
$34,528,000 |
| 9881641 |
Burst writing for clearance calibration in a heat assisted magnetic data recording system |
Sripathi Vangipuram Canchi, Na Wang, Shaomin Xiong |
2018-01-30 |
$19,455,000 |
| 9595280 |
Hard disk drive head-disk interface dithering |
Sripathi Vangipuram Canchi, Sukumar Rajauria, James W. Reiner |
2017-03-14 |
$23,091,000 |
| 9564163 |
Implementing dual partially independent thermal flyheight control (TFC) for hard disk drives |
John Contreras, Ian Robson McFadyen |
2017-02-07 |
$31,166,000 |
| 8934194 |
System and method for maintaining a low density gas environment in a disk drive |
— |
2015-01-13 |
|
| 8767337 |
Disk-synchronized loading/unloading of magnetic head |
Craig Smith, Bernhard Hiller, Stan Shepherd |
2014-07-01 |
$17,445,000 |
| 8649249 |
Printing magnetic pattern onto disk |
David E. Fowler, Michael Mallary |
2014-02-11 |
$13,097,000 |
| 8614933 |
Optical unit protection on a thermally-assisted magnetic recording head |
Xuhui Jin, Greg Lyon |
2013-12-24 |
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