Mark Thomas Kief

This inventor holds 57 USPTO granted patents and 6 published patent applications and 1 EPO patent, primarily in Magnetic Sensors (CPC class G11B). Top assignee: Seagate Technology Incorporated. Active years: 2003-2026.

USPTO Granted Patents = 57 (Patent Applications = 6)

% Patents Active = 64.9

EPO Patents = 1 (Patent Applications = 5)

Average Co-Inventor Count = 3.5

ph-index = 11

Forward Citations = 355(Granted Patents)

Forward Citations (Not Self Cited) = 335(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Savage, MN (US) (2003 - 2009)
Lakeville, MN (US) (2006 - 2024)

Company Filing History:

57 out of 8,741

Seagate Technology Incorporated

patents

Years Active: 2003-2026

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Areas of Expertise:

Magnetoresistance Device

Spin Valve Sensor

Magnetic Sensor

Data Reader

Magnetic Stack

Write Pole

Magnetic Shield

Thin Film

Microstructure

Magnetostriction

Layered Structure

Magnetic Recording

57 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12563740 - Mechanical magnetoresistance device (2026-02-24),

2. 11862208 - Non-local spin valve sensor for high linear density (2024-01-02),

3. 11282538 - Non-local spin valve sensor for high linear density (2022-03-22),

4. 11125836 - Magnetic sensor manufacturing (2021-09-21),

5. 10186285 - Data reader with front shield coupling structure (2019-01-22),

6. 10121499 - Magnetoresistive sensor with enhanced uniaxial anisotropy (2018-11-06),

7. 9922670 - Method of manufacturing a recessed data reader pinning structure with vertical sidewall (2018-03-20),

8. 9899045 - Data reader with pinned front shield (2018-02-20),

9. 9880232 - Magnetic sensor manufacturing (2018-01-30),

10. 9679589 - Magnetoresistive sensor with enhanced uniaxial anisotropy (2017-06-13),

11. 9672849 - Multiple reader stacks disposed in close proximity (2017-06-06),

12. 9653102 - Data reader with pinned front shield (2017-05-16),

13. 9634242 - Data reader with front shield coupling structure (2017-04-25),

14. 9406321 - Read head with multiple reader stacks (2016-08-02),

15. 9378760 - Data reader with tuned microstructure (2016-06-28),

Title: Mark Thomas Kief: A Visionary Inventor Shaping the Future

Introduction: Mark Thomas Kief, a prolific inventor based in Lakeville, MN, is a trailblazer in the world of innovation with an impressive portfolio of 56 patents. His relentless pursuit of pushing boundaries and dedication to exploring the realms of possibility make him a true pioneer in the industry.

Latest Patents: Among his recent groundbreaking inventions is the "Non-local spin valve sensor for high linear density." This innovative sensor features a unique design with a detector, channel layer, and spin injectors, positioning Mark at the forefront of technological advancements in high linear density sensors.

Career Highlights: Mark Thomas Kief's career at Seagate Technology Incorporated has been nothing short of remarkable. His contributions have significantly impacted the industry, and his cutting-edge patents are poised to shape the future of data storage and sensor technology for years to come.

Collaborations: Mark's innovative spirit extends to collaborative efforts with coworkers such as Venkateswara R Inturi and Dimitar Velikov Dimitrov. Together, they have worked on pioneering projects that have elevated the standards of technological innovation within Seagate Technology Incorporated.

Conclusion: In conclusion, Mark Thomas Kief's unwavering commitment to innovation, coupled with his remarkable track record of patents and collaborations, solidify his position as a visionary inventor. His impact on the industry is profound, and his legacy as a true pioneer in inventors is set to endure for generations to come.