IDiyas

For the Inventor, By the Inventor

San Jose, CA, United States of America

Sukumar Rajauria

USPTO Granted Patents = 39 

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 71(Granted Patents)


Company Filing History:

goldMedal37 out of 5,310 
 
Western Digital Technologies, Inc.
 patents
silverMedal2 out of 987 
 
Hgst Netherlands, B.v.
 patents

Years Active: 2016-2025

where 'Filed Patents' based on already Granted Patents

39 patents (USPTO):
1. 12424248 - Devices and methods for metal organic framework (MOF) based oxygen replenishment in data storage devices (2025-09-23),
2. 12417786 - Thermal fly height calibration for data storage device (2025-09-16),
3. 12406699 - Passive and active gas compensation techniques for data storage devices (2025-09-02),
4. 12354630 - Reducing laser diode temperature swings in heat-assisted magnetic recording (HAMR) using a slider-mounted heat sink (2025-07-08),
5. 12300285 - Measuring NFT protrusion in a heat assisted magnetic recording drive using burst writing and a constant laser diode temperature (2025-05-13),
6. 12283293 - Measuring laser diode temperature and predicting mode hops using laser diode resistance (2025-04-21),
7. 12198737 - Temperature control of a laser diode by applying reverse bias in a data storage device configured for heat-assisted magnetic recording (2025-01-14),
8. 12190908 - Near-field transducer (NFT) designs for improved performance of heat-assisted magnetic recording (HAMR) (2025-01-07),
9. 12170435 - Managing laser diode cavity thermal transients in HAMR disk drives (2024-12-17),
10. 12165681 - Touchdown detection and write-spacing setting in magnetic recording heads with protruding features (2024-12-10),
11. 12159654 - Local extension of head overcoat with a near-field transducer extending toward the media-facing surface (2024-12-03),
12. 12159653 - Data storage device with laser write bias optimization using disk thermal-magnetic response mapping in heat-assisted magnetic recording (2024-12-03),
13. 12142896 - Preheating laser diodes with reverse bias for HAMR disk drives (2024-11-12),
14. 12125509 - Dark laser heating by positive pulse biasing in heat assisted magnetic recording (2024-10-22),
15. 11934687 - Full disk serpentine write path for tamper-proof disk drive (2024-03-19),

Title: Innovator Spotlight: Sukumar Rajauria

Introduction: Sukumar Rajauria, a prolific inventor based in San Jose, CA, has made significant contributions in the field of data storage technologies, holding an impressive portfolio of 25 patents.

Latest Patents:

1. "Full disk serpentine write path for tamper-proof disk drive": Rajauria's innovative approach in multi-disk drive design enhances data security by disabling write access to specific media surfaces, ensuring tamper-proof data storage.

2. "Heat treatment of NFT and surrounding material": His work on conditioning the Near Field Transducer (NFT) in a magnetic recording head improves the longevity of the head by preventing thermal shock and fatigue.

Career Highlights: Rajauria has been instrumental in advancing data storage technologies through his roles at Western Digital Technologies, Inc. and HGST Netherlands B.V., where he played a pivotal role in research and development.

Collaborations: Rajauria has collaborated with esteemed professionals in the industry, including Erhard Theodor Schreck and Robert Lee Smith, further enriching his innovative endeavors and contributing to the advancement of data storage solutions.

Conclusion: Sukumar Rajauria's groundbreaking work in data storage technologies exemplifies his commitment to innovation and excellence, solidifying his position as a leading inventor in the field. His patents and collaborations stand as a testament to his profound impact on the industry.

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