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For the Inventor, By the Inventor

Tucson, AZ, United States of America

Karl Allen Nielsen

This inventor holds 129 USPTO granted patents and 2 published patent applications and 1 EPO patent, primarily in Data Storage Management (CPC class G06F3-0689). Top assignees: International Business Machines Corporation, Globalfoundries Inc.. Active years: 2004-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Karl Allen Nielsen. Retrieved from https://idiyas.com/inventor/karl-allen-nielsen

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

USPTO Granted Patents = 129 

% Patents Active = 45.0

 

Average Co-Inventor Count = 4.1

ph-index = 9

Forward Citations = 371(Granted Patents)

Forward Citations (Not Self Cited) = 324(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Tucscon, AZ (US) (2015)
  • Tucson, AZ (US) (2004 - 2023)

Company Filing History:

goldMedal128 out of 166,409 
 
International Business Machines Corporation
 patents
silverMedal1 out of 5,671 
 
Globalfoundries Inc.
 patents

Years Active: 2004-2026

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Areas of Expertise:
Data Migration
RAID Configurations
Machine Learning
Data Integrity
Storage Drives
Error Checking
Dynamic Adjustment
Data Recovery
Storage Capacity
Background Processes
Data Loss Prevention
Storage Controller
129 patents (USPTO):Explore Patents
1. 12704961 - Performing select input/output requests while in protected memory states (2026-08-11),
2. 12656947 - Performing select input/output requests while in protected memory states (2026-06-16),
3. 12436703 - Determining to migrate data between compressed storage devices and non-compressed storage devices in a storage system (2025-10-07),
4. 12399658 - Determining a storage device type on which to store extents of data in a storage system (2025-08-26),
5. 11829609 - Data loss recovery in a secondary storage controller from a primary storage controller (2023-11-28),
6. 11714567 - Migrating data from a large extent pool to a small extent pool (2023-08-01),
7. 11531486 - Migrating data from a large extent pool to a small extent pool (2022-12-20),
8. 11474707 - Data loss recovery in a secondary storage controller from a primary storage controller (2022-10-18),
9. 11467772 - Preemptive staging for full-stride destage (2022-10-11),
10. 11442826 - Reducing incidents of data loss in raid arrays having the same raid level (2022-09-13),
11. 11442649 - Migrating data from a large extent pool to a small extent pool (2022-09-13),
12. 11321252 - Selecting a priority queue from which to process an input/output (I/O) request using a machine learning module (2022-05-03),
13. 11314435 - Converting small extent storage pools into large extent storage pools in place (2022-04-26),
14. 11231855 - Determination of a type of destage to perform based on preference between performance of operations and preservation of drive life using a machine learning module (2022-01-25),
15. 11226744 - Determination of a type of destage to perform based on preference between performance of operations and preservation of drive life (2022-01-18),

Title: Innovator Spotlight: Karl Allen Nielsen's Contributions to Data Migration Technology

Introduction:

Karl Allen Nielsen, a renowned inventor based in Tucson, AZ (US), is a prolific figure in the field of data migration technology. With an impressive total of 124 patents to his name, Nielsen has made significant contributions to the industry. In this article, we will delve into Nielsen's latest patents, career highlights, collaborations, and his profound impact on the technological landscape.

Latest Patents:

Among Karl Allen Nielsen's latest patents, his work on migrating data from a large extent pool to a small extent pool stands out. This computer-implemented method entails identifying a request to migrate data associated with a volume from one storage pool to another. Nielsen emphasizes the importance of efficiently transferring data while ensuring synchronization and allocation of tables for seamless migration.

Career Highlights:

Nielsen's career boasts a wealth of experience in prestigious companies. Notably, he has worked with International Business Machines Corporation (IBM) and Globalfoundries Inc. These renowned organizations have provided him with the platform to showcase his expertise and contribute to transformative innovations.

Collaborations:

Karl Allen Nielsen has collaborated with notable individuals in his field, including Lokesh M Gupta and Matthew G Borlick. These collaborations have led to the development of innovative technologies and demonstrate Nielsen's ability to work effectively within a team to achieve groundbreaking results.

Conclusion:

Karl Allen Nielsen's robust patent portfolio and exceptional career highlights underscore his profound impact on the data migration technology domain. Through his contributions, Nielsen has enhanced the efficiency and effectiveness of data transfer processes. As the landscape of technology continues to evolve, we eagerly anticipate Nielsen's future innovations and the valuable contributions he will make to propel the industry forward.

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]
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