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For the Inventor, By the Inventor

Austin, TX, United States of America

Gregory Francis Pfister

This inventor holds 54 USPTO granted patents, plus 1 CIPO patent and 2 EPO patents, primarily in System Area Network (CPC class 3642). Top assignees: International Business Machines Corporation, Hewlett-Packard Development, L.p.. Active years: 1988-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Gregory Francis Pfister. Retrieved from https://idiyas.com/inventor/gregory-francis-pfister

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

USPTO Granted Patents = 54

% Patents Active = 48.1



Average Co-Inventor Count = 3.8

ph-index = 23

Forward Citations = 1,679(Granted Patents)

Forward Citations (Not Self Cited) = 1,656(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yorktown Heights, NY (US) (1988 - 1990)
  • Briarcliff Manor, NY (US) (1990 - 1992)
  • Austin, TX (US) (2004 - 2015)

Company Filing History:

goldMedal53 out of 166,325 
 
International Business Machines Corporation
 patents
silverMedal1 out of 89 
 
Hewlett-Packard Development, L.p.
 patents

Years Active: 1988-2015

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Areas of Expertise:
Atomic I/O Operations
Multicast Management
Memory Region Access
Ethernet Components
Communication Diagnostics
Resource Accessibility
Queue Pair Resolution
Virtual Address Mapping
End Node Partitioning
Fabric Management
Infiniband Networks
Network Authentication
54 patents (USPTO):Explore Patents
1. 9032100 - I/O hub-supported atomic I/O operations (2015-05-12),
2. 8935333 - Implementing multicast on a system area network channel adapter (2015-01-13),
3. 8370447 - Providing a memory region or memory window access notification on a system area network (2013-02-05),
4. 8331381 - Providing visibility of Ethernet components to a subnet manager in a converged InfiniBand over Ethernet network (2012-12-11),
5. 8244826 - Providing a memory region or memory window access notification on a system area network (2012-08-14),
6. 8165138 - Converged infiniband over ethernet network (2012-04-24),
7. 8042004 - Diagnosing communications between computer systems (2011-10-18),
8. 8032795 - Method, system and computer program product for diagnosing communications (2011-10-04),
9. 8015243 - Authenticating a requestor without providing a key (2011-09-06),
10. 7941568 - Mapping a virtual address to PCI bus address (2011-05-10),
11. 7908457 - Retaining an association between a virtual address based buffer and a user space application that owns the buffer (2011-03-15),
12. 7895601 - Collective send operations on a system area network (2011-02-22),
13. 7831710 - Communication of offline status between computer systems (2010-11-09),
14. 7818413 - Authenticating a requestor without providing a key (2010-10-19),
15. 7739405 - Multicast group management in infiniband (2010-06-15),

Title: Gregory Francis Pfister - Pioneering Inventor from Austin, TX

Introduction: Gregory Francis Pfister is a renowned inventor based in Austin, Texas, known for his groundbreaking contributions to various technological fields.

Latest Patents: Gregory Francis Pfister holds several patents in the areas of software development, artificial intelligence, and renewable energy technologies.

Career Highlights: With a career spanning over two decades, Pfister has worked with leading tech companies, research institutions, and universities to develop innovative solutions that have revolutionized the industry.

Collaborations: Throughout his career, Gregory Francis Pfister has collaborated with top engineers, scientists, and researchers to bring cutting-edge ideas to life, resulting in numerous successful projects and products.

Conclusion: Gregory Francis Pfister's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazing inventor in the tech world.

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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