Anup Roy

This inventor holds 18 USPTO granted patents, primarily in Magnetic Read Sensors. Top assignees: Western Digital (Fremont), Inc., Western Digital Technologies, Inc.. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Anup Roy. Retrieved from https://idiyas.com/inventor/anup-roy

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 18

% Patents Active = 61.1

Average Co-Inventor Count = 4.4

ph-index = 8

Forward Citations = 1,069(Granted Patents)

Company Filing History:

15 out of 728

Western Digital (Fremont), Inc.

patents

3 out of 5,432

Western Digital Technologies, Inc.

patents

Years Active: 2012-2026

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Areas of Expertise:

Magnetic Read Head

Dual Free Layer

Magnetic Tunnel Junction

Soft Bias Thickness

Antiferromagnetic Layer

Tunnel Magnetoresistance

Read Transducer

Fabrication Method

Hard Bias Structure

Magnetoresistive

Magnetic Recording

18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12688867 - Read sensor with a layer having an adjustable etching rate (2026-07-21),

2. 11514934 - Planar design for sensors in a dual free layer read head (2022-11-29),

3. 11410690 - Two-dimensional magnetic recording reader with dual free layer magnetic tunnel junction (2022-08-09),

4. 10068601 - Free layer only magnetic reader that may have a reduced shield-to-shield spacing and a multilayer side bias (2018-09-04),

5. 9830936 - Magnetic read head with antiferromagentic layer (2017-11-28),

6. 9812155 - Method and system for fabricating high junction angle read sensors (2017-11-07),

7. 9406331 - Method for making ultra-narrow read sensor and read transducer device resulting therefrom (2016-08-02),

8. 9396743 - Systems and methods for controlling soft bias thickness for tunnel magnetoresistance readers (2016-07-19),

9. 9214172 - Method of manufacturing a magnetic read head (2015-12-15),

10. 9190080 - Method and system for providing a magnetic transducer having an improved hard bias seed layer (2015-11-17),

11. 9087534 - Method and system for providing a read transducer having soft and hard magnetic bias structures (2015-07-21),

12. 8760823 - Method and system for providing a read transducer having soft and hard magnetic bias structures (2014-06-24),

13. 8611054 - Antiferromagnetically-coupled soft bias magnetoresistive read head, and fabrication method therefore (2013-12-17),

14. 8607438 - Method for fabricating a read sensor for a read transducer (2013-12-17),

15. 8603593 - Method for providing an improved hard bias structure (2013-12-10),

Title: Anup Roy: Innovator in Magnetic Recording Technology

Introduction

Anup Roy is a prominent inventor based in Fremont, California, known for his significant contributions to the field of magnetic recording technology. With a total of 17 patents to his name, Roy has made substantial advancements that enhance data storage capabilities.

Latest Patents

Among his latest patents is a "Planar design for sensors in a dual free layer read head." This invention relates to a dual free layer (DFL) two-dimensional magnetic recording (TDMR) read head. The design includes a first sensor, a first rear hard bias (RHB) structure adjacent to the first sensor, and an upper shield over the first sensor and RHB structure. The read head also features a lower shield, a second sensor, and a second RHB structure. The alignment of the surfaces of the sensors and RHB structures is crucial for optimal performance.

Another notable patent is the "Two-dimensional magnetic recording reader with dual free layer magnetic tunnel junction." This invention focuses on a TDMR read head that incorporates a magnetic tunnel junction (MTJ). The dual free layer MTJ structure is bounded by synthetic antiferromagnetic (SAF) soft bias structures and a rear hard bias structure, which collectively enhance the area density capacity (ADC) of the read head.

Career Highlights

Anup Roy has worked with notable companies such as Western Digital, Inc. and Western Digital Technologies, Inc. His work has been instrumental in pushing the boundaries of magnetic recording technology, making significant contributions to the industry.

Collaborations

Throughout his career, Roy has collaborated with talented individuals, including Ming Mao and Daniele Mauri. These collaborations have fostered innovation and have led to the development of cutting-edge technologies in the field.

Conclusion

Anup Roy's innovative work in magnetic recording technology has established him as a key figure in the industry. His patents reflect a commitment to advancing data storage solutions, and his collaborations have further enriched the field.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]