Issued Patents All Time
Showing 25 most recent of 96 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 12142896 | Preheating laser diodes with reverse bias for HAMR disk drives | Sukumar Rajauria, Robert L. Smith, Joey M. Poss | 2024-11-12 |
| 12027181 | Tape assemblies having flangeless reel configurations and single flange reel configurations for magnetic recording devices | Robert L. Smith | 2024-07-02 |
| 11978479 | Regenerative braking for tape drive | — | 2024-05-07 |
| 11934687 | Full disk serpentine write path for tamper-proof disk drive | Sukumar Rajauria, Robert L. Smith | 2024-03-19 |
| 11881230 | Heat treatment of NFT and surrounding material | Sukumar Rajauria, Oscar J. Ruiz | 2024-01-23 |
| 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 |
| 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 |
| 10699736 | Data storage device detecting abnormality with a write assist element based on slope of protrusion | Sukumar Rajauria, Harold H. Gee | 2020-06-30 |
| 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 |
| 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 |
| 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 |
| 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 |
| 9922676 | Data storage device gradually decreasing laser power after write operation | Oscar J. Ruiz, Na Wang, Shaomin Xiong, Qing Dai | 2018-03-20 |
| 9881641 | Burst writing for clearance calibration in a heat assisted magnetic data recording system | Sripathi Vangipuram Canchi, Na Wang, Shaomin Xiong | 2018-01-30 |
| 9595280 | Hard disk drive head-disk interface dithering | Sripathi Vangipuram Canchi, Sukumar Rajauria, James W. Reiner | 2017-03-14 |
| 9564163 | Implementing dual partially independent thermal flyheight control (TFC) for hard disk drives | John Contreras, Ian Robson McFadyen | 2017-02-07 |
| 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 |
| 8649249 | Printing magnetic pattern onto disk | David E. Fowler, Michael Mallary | 2014-02-11 |
| 8614933 | Optical unit protection on a thermally-assisted magnetic recording head | Xuhui Jin, Greg Lyon | 2013-12-24 |