Forward Citations = 387

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9 inventors (with patents filed for the assignee):

Ralph Kay (4 out of 10 patents)

David Ezra (2 out of 36 patents)

Charles E Chatwin (2 out of 5 patents)

4. Brian William Holmes (2 out of 2 patents)

5. Kenneth John Drinkwater (2 out of 2 patents)

6. Keith A Jones (1 out of 1 patent)

7. Adam J Silk (1 out of 1 patent)

8. Martin C Gomme (1 out of 1 patent)

9. Jon Andreassen (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5694229 - Holographic security device (1997-12-02),

2. 5665194 - Image enhancement (1997-09-09),

3. 5492370 - Decorative article (1996-02-20),

4. 5483363 - Security device (1996-01-09),

5. 5319475 - Tamper resisting holographic security seal (1994-06-07),

6. 5310222 - Optical device (1994-05-10),

De La Rue Holographics Limited is a leading global provider of holographic solutions for brand protection and authentication. With a heritage of over 100 years, the company offers a wide range of security features including holograms, foils, and document authentication solutions. De La Rue Holographics serves a variety of industries including government, banking, and commercial sectors.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

6 Patents

#437 in London

#2,618 in United Kingdom

London, United Kingdom

De La Rue Holographics Limited