Fife, United Kingdom

Alec Donald Stewart

This inventor holds 5 USPTO granted patents. Top assignees: Rodime Plc, Calluna Technology Limited. Active years: 1984-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Alec Donald Stewart. Retrieved from https://idiyas.com/inventor/alec-donald-stewart

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.6

ph-index = 4

Forward Citations = 140(Granted Patents)


Location History:

  • Cardenden, GB (1988)
  • Scotlandwell, GB (1998)
  • Fife, GB (1984 - 2000)

Company Filing History:


Years Active: 1984-2000

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5 patents (USPTO):Explore Patents

Title: The Innovations of Alec Donald Stewart

Introduction

Alec Donald Stewart is a notable inventor based in Fife, GB. He has made significant contributions to the field of technology, particularly in the area of hard disk drives. With a total of five patents to his name, Stewart has demonstrated a commitment to innovation and advancement in his field.

Latest Patents

Among his latest patents are a security system for hard disk drives and a miniature hard disk drive system. These inventions reflect his expertise and focus on enhancing data security and storage efficiency.

Career Highlights

Stewart has had a distinguished career, working with companies such as Rodime Plc and Calluna Technology Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to the advancement of technology in the industry.

Collaborations

Throughout his career, Stewart has collaborated with notable individuals, including James N. White and David S. Ruxton. These partnerships have likely played a role in the successful development of his inventions.

Conclusion

Alec Donald Stewart's contributions to technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the field of hard disk drives and data security.

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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