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For the Inventor, By the Inventor

Wichita, KS, United States of America

Donald Roman Humlicek

This inventor holds 51 USPTO granted patents and 2 published patent applications, primarily in Storage Systems (CPC class G06F). Top assignees: Lsi Logic Corporation, Netapp, Inc., Lsi Corporation. Active years: 1996-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald Roman Humlicek. Retrieved from https://idiyas.com/inventor/donald-roman-humlicek

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

Calculating rank
USPTO Granted Patents = 51 

% Patents Active = 76.5

Average Co-Inventor Count = 2.2

ph-index = 22

Forward Citations = 2,630(Granted Patents)

Forward Citations (Not Self Cited) = 2,605(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Witchita, KS (US) (2016)
  • Sunnyvale, CA (US) (2017)
  • Wichita, KS (US) (1996 - 2019)

Company Filing History:

goldMedal24 out of 3,715 
 
Lsi Logic Corporation
 patents
silverMedal11 out of 2,897 
 
Netapp, Inc.
 patents
bronzeMedal7 out of 2,353 
 
Lsi Corporation
 patents
4. 5 out of 31 
 
Symbios, Inc.
 patents
5. 2 out of 166,483 
 
International Business Machines Corporation
 patents
6. 2 out of 85 
 
Symbios Logic Inc.
 patents

Years Active: 1996-2019

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Areas of Expertise:
Cache Management
RAID Arrays
Data Integrity
Snapshot Volumes
Predictive Cache
Data Recovery
Write-Back Caching
Data Migration
Storage Performance
Data Tracking
Volume Capacity
Concurrent I/O
51 patents (USPTO):Explore Patents
1. 10481835 - Methods and systems for dynamic hashing in caching sub-systems (2019-11-19),
2. 10235288 - Cache flushing and interrupted write handling in storage systems (2019-03-19),
3. 9836223 - Changing storage volume ownership using cache memory (2017-12-05),
4. 9830269 - Methods and systems for using predictive cache statistics in a storage system (2017-11-28),
5. 9753853 - Methods and systems for cache management in storage systems (2017-09-05),
6. 9696914 - System and method for transposed storage in RAID arrays (2017-07-04),
7. 9547552 - Data tracking for efficient recovery of a storage array (2017-01-17),
8. 9547448 - System and method for transposed storage in raid arrays (2017-01-17),
9. 9489261 - Background initialization for protection information enabled storage volumes (2016-11-08),
10. 9304937 - Atomic write operations for storage devices (2016-04-05),
11. 9235471 - Background initialization for protection information enabled storage volumes (2016-01-12),
12. 8924646 - Methods for managing data movement and destaging data in a multi-level cache system utilizing threshold values and metadata (2014-12-30),
13. 8478911 - Methods and systems for migrating data between storage tiers (2013-07-02),
14. 8458399 - Methods and structure for determining cache size in a storage system (2013-06-04),
15. 8346990 - Methods and systems for tracking data activity levels (2013-01-01),

Title: The Innovative Mind of Donald Roman Humlicek: Pioneering Cache Management Solutions

Introduction:

Donald Roman Humlicek, a prolific inventor hailing from Wichita, KS, has left an indelible mark on the realm of technology with an impressive portfolio of 51 patents. With a keen focus on cache management systems, Humlicek's innovative solutions have revolutionized the way data is stored and accessed in storage systems.

Latest Patents:

1. Methods and Systems for Dynamic Hashing in Caching Sub-Systems: Humlicek's groundbreaking method involves analyzing input/output requests to determine patterns indicating random or sequential behavior. By dynamically adjusting input parameters for hashing functions, this system optimizes cache block retrieval for improved performance.

2. Cache Flushing and Interrupted Write Handling in Storage Systems: This patent showcases Humlicek's expertise in cache management, prioritizing storage stripes for flush operations to enhance performance. Leveraging storage device features, this system ensures atomicity without inter-controller mirroring overhead, marking a significant advancement in storage technology.

Career Highlights:

Throughout his career, Humlicek has made significant contributions to prominent companies in the tech industry. He has lent his expertise to LSI Logic Corporation and NetApp, Inc., playing a key role in developing cutting-edge storage solutions that have propelled these companies to the forefront of the industry.

Collaborations:

Humlicek's collaborative spirit is evident in his partnerships with talented individuals such as Rodney A. Dekoning and Brian Dennis McKean. Together, they have spearheaded innovative projects and pushed the boundaries of cache management technology, setting new standards for efficiency and performance in storage systems.

Conclusion:

Donald Roman Humlicek's pioneering work in cache management systems stands as a testament to his ingenuity and dedication to advancing technological innovation. With his sharp intellect and unwavering commitment to excellence, Humlicek continues to shape the future of storage technology, leaving a lasting impact on the industry as a whole.

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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