Jonathan Darrel Coker

This inventor holds 68 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Data Storage Technology (CPC class G11B). Top assignees: International Business Machines Corporation, Hgst Netherlands, B.v., Hitachi Global Storage Technologies Netherlands B.v.. Active years: 1989-2023.

USPTO Granted Patents = 68 (Patent Applications = 1)

% Patents Active = 79.4

EPO Patents = 1

Average Co-Inventor Count = 3.1

ph-index = 20

Forward Citations = 990(Granted Patents)

Forward Citations (Not Self Cited) = 936(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Rochester, NY (US) (2013 - 2014)
Rochester, MN (US) (1989 - 2023)

Company Filing History:

29 out of 166,209

International Business Machines Corporation

patents

24 out of 987

Hgst Netherlands, B.v.

patents

8 out of 2,636

Hitachi Global Storage Technologies Netherlands B.v.

patents

4. 3 out of 1,804

Mayo Foundation for Medical Education and Research

patents

5. 2 out of 4

Omnitier Storage, Inc.

patents

6. 2 out of 5,422

Western Digital Technologies, Inc.

patents

Years Active: 1989-2023

Loading Chart...

Areas of Expertise:

Reversible Hash Generators

Multi-Track Reader

Disk Drive

Information Storage Device

Atomic Write-In-Place

Shingled Magnetic Recording

Error Correction

Servo Systems

Dynamic Track Squeeze

Asynchronous Communication

Digital Chirp Waveform

Channel Equalization

68 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11601280 - Reversible hash generators for pairs of complementary sequences (2023-03-07),

2. 10965467 - Reversible hash generators for pairs of complementary sequences (2021-03-30),

3. 10127933 - Multi-track reader for improved signal to noise ratio (2018-11-13),

4. 9741369 - Multi-track reader for improved signal to noise ratio (2017-08-22),

5. 9489145 - Disk drive including I-regions having configurable final logical block addresses (2016-11-08),

6. 9384779 - Information storage device with multiple-use fields in servo pattern (2016-07-05),

7. 9311942 - Information storage device with multiple-use fields in servo pattern (2016-04-12),

8. 9236066 - Atomic write-in-place for hard disk drives (2016-01-12),

9. 9230578 - Multiple readers for high resolution and SNR for high areal density application (2016-01-05),

10. 9059737 - Disk drive with distributed codeword blocks (2015-06-16),

11. 9001450 - Method of compensating for repeatable runout error (2015-04-07),

12. 8988807 - Disk drive with different data sector integrated preambles in adjacent data tracks (2015-03-24),

13. 8982491 - Disk drive with different synchronization fields and synchronization marks in the data sector preambles in adjacent data tracks (2015-03-17),

14. 8947805 - Low complexity inter-track interference cancellation receiver for magnetic multiple-input, multiple-output (MIMO) channel (2015-02-03),

15. 8941943 - Dynamic variable capacity hard disk drive (2015-01-27),

Title: The Inventor Jonathan Darrel Coker

Introduction: Jonathan Darrel Coker, a talented inventor based in Rochester, MN, has made significant contributions to the field of technology with his innovative creations.

Latest Patents: Jonathan Darrel Coker holds several patents in various technological areas, showcasing his diverse range of expertise and creativity.

Career Highlights: Throughout his career, Jonathan Darrel Coker has been recognized for his groundbreaking inventions that have revolutionized the industry. His dedication to pushing the boundaries of technology has led to numerous successful projects.

Collaborations: Jonathan Darrel Coker has collaborated with leading tech companies and research institutions to further develop his inventions and bring them to the market. His partnerships have been instrumental in the success of his projects.

Conclusion: Jonathan Darrel Coker's passion for innovation and his relentless pursuit of excellence have established him as a prominent figure in the world of technology, with a legacy that will continue to inspire future inventors.