Rochester, MN, United States of America

Todd Alan Greenfield

This inventor holds 27 USPTO granted patents and 1 EPO patent, primarily in Multicast Networking. Top assignee: International Business Machines Corporation. Active years: 2002-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Todd Alan Greenfield. Retrieved from https://idiyas.com/inventor/todd-alan-greenfield

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


% Patents Active = 29.6


Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 152(Granted Patents)


Company Filing History:


Years Active: 2002-2026

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Areas of Expertise:
Multicast Traffic Generation
Distributed Switch
Access Control List
Error Handling
Memory Array
IPv6 Parsing
High Speed Serializer
Data Strobe Gating
Network Routing
Multicast Bandwidth
Synchronization Components
Quantum Controller
27 patents (USPTO):Explore Patents

Title: Innovative Contributions of Todd Alan Greenfield in Quantum Computing and Networking

Introduction: Todd Alan Greenfield, based in Rochester, MN, is a prominent inventor with a robust portfolio of 26 patents. His contributions to the fields of quantum computing and network technology have positioned him as an influential figure within the industry, particularly through his work at the International Business Machines Corporation (IBM).

Latest Patents: Among his latest innovations is the patent for a "Quantum Controller Fast Path Interface." This invention introduces techniques for routing qubit data, providing a computer-implemented method for training a quantum controller fast path interface to control qubit data routing. This method enhances the efficiency of routing qubit data bits between a quantum controller and a conditional engine by adjusting a delay value to establish a mesochronous clock domain characterized by a direct register-to-register transfer pattern.

Additionally, Greenfield has developed "Access Control List-Based Port Mirroring Techniques." This patent outlines methods for selecting incoming network frames for mirroring utilizing an access control list. The innovation describes a process by which an incoming frame is evaluated against entries in the access control list, and upon matching, appropriate mirroring actions are performed on the frame.

Career Highlights: Todd Greenfield has become a significant asset to IBM, where he has been able to leverage his expertise to develop groundbreaking technologies and drive progress in innovation. His extensive patent portfolio reflects his dedication to advancing technology in complex fields like quantum computing and network management.

Collaborations: Throughout his career, Greenfield has collaborated with esteemed colleagues, including notable inventors Claude Basso and Bruce Marshall Walk. These partnerships have not only fostered creativity but have also contributed to the successful development of numerous technological advancements.

Conclusion: Todd Alan Greenfield's innovative work and substantial patent contributions highlight his commitment to enhancing the landscape of quantum computing and networking. As a key member of the IBM team, his developments continue to pave the way for new technologies, ensuring his lasting impact on the industry.

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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