Basingstoke, United Kingdom

Ralph Kay

This inventor holds 10 USPTO granted patents, plus 1 CIPO patent and 3 EPO patents. Top assignees: De La Rue International Limited, De La Rue Holographics Limited. Active years: 1994-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ralph Kay. Retrieved from https://idiyas.com/inventor/ralph-kay

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


% Patents Active = 90.0


 

Average Co-Inventor Count = 1.6

ph-index = 8

Forward Citations = 464(Granted Patents)


Location History:

  • Berkshire, GB (1994)
  • Maidenhead, GB (1994 - 1996)
  • Hampshire, GB (2002 - 2004)
  • Basingstoke, GB (1997 - 2006)

Company Filing History:


Years Active: 1994-2006

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10 patents (USPTO):Explore Patents

Title: Ralph Kay: Innovator in Security Technology

Introduction

Ralph Kay is a notable inventor based in Basingstoke, GB. He has made significant contributions to the field of security technology, holding a total of 10 patents. His work primarily focuses on optically variable security devices, which are crucial in preventing counterfeiting and enhancing security measures.

Latest Patents

Among his latest patents is an optically variable security device that comprises a thin film reflection filter structure exhibiting a first optically variable effect. Additionally, it features a relief structure on or in the thin film reflection filter structure that showcases a second optically variable effect. Another significant patent is a security device that has a substrate formed with a surface relief defining an optically variable effect generating structure. This device incorporates at least two different reflection-enhancing materials on the same side of the substrate with respect to the surface relief, allowing the optically variable effect to be viewed against a background defined by these materials.

Career Highlights

Ralph Kay has worked with prominent companies in the security sector, including De La Rue International Limited and De La Rue Holographics Limited. His experience in these organizations has allowed him to develop innovative solutions that address the challenges of security and authenticity.

Collaborations

Throughout his career, Ralph has collaborated with notable individuals such as Charles E Chatwin and Kenneth John Drinkwater. These partnerships have contributed to the advancement of his inventions and the overall development of security technologies.

Conclusion

Ralph Kay's contributions to the field of security technology through his innovative patents and collaborations highlight his importance as an inventor. His work continues to influence the industry and enhance security measures worldwide.

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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