Roger Gregory Hathorn

This inventor holds 190 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 7 EPO patents, primarily in Data Storage Security (CPC class G06F3-067). Top assignees: International Business Machines Corporation, Globalfoundries Inc., Mcdata Corporation. Active years: 1996-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Roger Gregory Hathorn. Retrieved from https://idiyas.com/inventor/roger-gregory-hathorn

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

USPTO Granted Patents = 190 (Patent Applications = 2)

% Patents Active = 57.9

CIPO Patents = 1

EPO Patents = 7 (Patent Applications = 9)

Average Co-Inventor Count = 4.1

ph-index = 12

Forward Citations = 911(Granted Patents)

Forward Citations (Not Self Cited) = 703(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Tuscon, AZ (US) (2013)
Tucson, AZ (US) (1996 - 2024)

Company Filing History:

187 out of 166,325

International Business Machines Corporation

Years Active: 1996-2025

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Areas of Expertise:

Data Mirroring

Key Management

Cache Allocation

Encryption

Security Association

Diagnostic Parameters

Storage Network

Host Requests

Data Compression

Garbage Collection

Redundancy Verification

Input/Output Requests

190 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12505021 - Communication of diagnostic parameters of a data mirroring configuration from a storage controller to a host (2025-12-23),

2. 12373341 - Garbage collection for storage in which high-performance volumes reside (2025-07-29),

3. 12326966 - Maintenance of access for security enablement on a host system (2025-06-10),

4. 12299298 - Determining whether to compress data at a source device to transmit to a target device (2025-05-13),

5. 12299185 - Maintenance of access for security enablement in a storage device (2025-05-13),

6. 11991273 - Storage device key management for encrypted host data (2024-05-21),

7. 11797448 - Using multi-tiered cache to satisfy input/output requests (2023-10-24),

8. 11784810 - Performing key server redundancy verification to verify a key is obtained from redundant key servers (2023-10-10),

9. 11714808 - Pattern search request embedded in a transport mode command word for a channel subsystem in a storage system (2023-08-01),

10. 11704206 - Generation of host requests to a storage controller for read diagnostic parameters for a data mirroring configuration (2023-07-18),

11. 11563588 - Securing a path at a selected node (2023-01-24),

12. 11522681 - Securing a path at a node (2022-12-06),

13. 11474941 - Using multi-tiered cache to satisfy input/output requests (2022-10-18),

14. 11422948 - Allocation of cache storage among applications that indicate minimum retention time for tracks in least recently used demoting schemes (2022-08-23),

15. 11405199 - Determining key server type and key server redundancy information to enable encryption (2022-08-02),

Title: Roger Gregory Hathorn: Pioneering Innovations in Storage Systems

Introduction:

Meet Roger Gregory Hathorn, an extraordinary inventor based in Tucson, AZ (US) whose contributions to the field of storage systems have made a lasting impact. With an impressive portfolio of 182 patents, Hathorn has revolutionized the way data is processed, searched, and mirrored within storage servers. In this article, we will delve into his latest patents, career highlights, and notable collaborations.

Latest Patents:

Among his recent breakthroughs, Hathorn's patent titled "Pattern Search Request Embedded in a Transport Mode Command Word for a Channel Subsystem in a Storage System" stands out. This innovation involves embedding a pattern search request in a Device Command Word (DCW), streamlining the search and comparison work within a storage server. By reducing the number of DCWs required from the host, I/O processing is enhanced, resulting in improved efficiency and reduced latency.

Another remarkable patent of his is "Generation of Host Requests to a Storage Controller for Read Diagnostic Parameters in a Data Mirroring Configuration." This invention allows a host to request diagnostic parameters from a storage controller for a mirrored storage area network. By facilitating the exchange of diagnostic information, the storage controller can effectively mirror data to another controller, ensuring data integrity and reliability.

Career Highlights:

Hathorn's noteworthy career includes contributions to prominent companies in the tech industry. He has made significant advancements while working with IBM and GlobalFoundries Inc. (formerly known as AMD Manufacturing LLC), cementing his position as a leading figure in the realm of storage system innovations.

Collaborations:

Throughout his career, Hathorn has collaborated with esteemed professionals in the field. Notable among his coworkers are Matthew J. Kalos and John Flanagan. These collaborations have enhanced the innovative potential of his projects, fostering a dynamic environment for generating groundbreaking solutions.

Conclusion:

Roger Gregory Hathorn's impressive repertoire of 182 patents, coupled with his exceptional career highlights and notable collaborations, exemplifies his dedication to advancing storage system technologies. His pioneering work in embedding pattern search requests and generating host requests for diagnostic parameters has significantly improved the efficiency and reliability of storage systems. As a visionary inventor, Hathorn continues to pave the way for future advancements in the industry, leaving an indelible mark on the world of storage systems.

Profile summary based on public USPTO records.