Growing community of inventors

Twickenham, United Kingdom

Brian William Holmes

Average Co-Inventor Count = 2.67

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 107

Brian William Holmes ↔ Kenneth John Drinkwater (2 patents)Brian William Holmes ↔ David Ezra (1 patent)Brian William Holmes ↔ Jon Andreassen (1 patent)Brian William HolmesBrian William Holmes (2 patents)Kenneth John DrinkwaterKenneth John Drinkwater (2 patents)David EzraDavid Ezra (36 patents)Jon AndreassenJon Andreassen (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. De La Rue Holographics Limited (2 from 6 patents)


2 patents:

1. 5694229 - Holographic security device

2. 5483363 - Security device

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as of
12/18/2025
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