Average Co-Inventor Count = 4.13
ph-index = 3
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.
Company Filing History:
1. De La Rue International Limited (3 from 194 patents)
3 patents:
1. 8052145 - Document handling apparatus
2. D560711 - Banknote counter
3. 7015814 - Security tag