Cambridge, United Kingdom

David Arfon Williams

This inventor holds 20 USPTO granted patents and 1 published patent application, primarily in Quantum Technology. Top assignees: Hitachi, Ltd., Citrix Systems, Inc., Hitachi Global Storage Technologies Netherlands B.v.. Active years: 1994-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Arfon Williams. Retrieved from https://idiyas.com/inventor/david-arfon-williams

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

USPTO Granted Patents = 20 

% Patents Active = 50.0

Average Co-Inventor Count = 2.8

ph-index = 5

Forward Citations = 162(Granted Patents)


Location History:

  • Cambridgeshire, GB (2011 - 2018)
  • Cambridge, GB (1994 - 2023)

Company Filing History:


Years Active: 1994-2023

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Areas of Expertise:
Quantum Computer
Magnetoresistance Device
Smart Card Login
Quantum Leakage Suppression
Silicon-Based Quantum Dot
Magnetic Field Sensor
Lorentz Magnetoresistive Sensor
Phonon Controlled Conductivity
Photonic Device
Charge Carrier Flux
Superconductor-Normal Conductor Junction
Single-Charge Tunneling
20 patents (USPTO):Explore Patents

Title: Innovations of David Arfon Williams: Driving Efficiency in Smart Card Technology

Introduction: David Arfon Williams is a prominent inventor based in Cambridge, GB, known for his significant contributions to the field of smart card technology. With a remarkable portfolio of 20 patents, Williams has engaged in groundbreaking work aimed at enhancing security and efficiency in remote computing environments.

Latest Patents: Among his latest innovations, Williams has developed a method termed "Fast Smart Card Login." This invention focuses on reducing latency and amplifying security during smart card logon processes. The system is designed to minimize the interactions required between the authentication server and client devices. By establishing a virtual channel, it allows the server to receive ATR (Answer to Reset) data from a smart card linked to a client device. Notably, this data can be substituted with proxy ATR data to facilitate cryptographic operations seamlessly. Williams' inventive methodology aims to streamline the logon experience, thereby enhancing overall user security.

Career Highlights: Over his career, Williams has collaborated with industry giants, including Hitachi, Ltd. and Citrix Systems, Inc., where he honed his expertise in technology and innovation. His practical experience in these esteemed organizations underpins his inventive endeavors and contributes to his broad understanding of smart card technologies.

Collaborations: Williams has worked alongside notable individuals in the field, including Andrew Stuart Troup and Joerg Wunderlich. These collaborations have undoubtedly enriched his innovative projects, fostering further advancements in the realm of information security and smart card capabilities.

Conclusion: David Arfon Williams' contributions to smart card technology exemplify his commitment to innovation, efficiency, and security. As he continues to develop cutting-edge solutions, his work is set to impact the landscape of remote computing significantly. His patents serve as a testament to the importance of creativity and technological advancements in today’s digital age.

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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