Average Co-Inventor Count = 3.00
ph-index = 1
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 (2 from 194 patents)
2 patents:
1. 10543710 - Security devices
2. 9902186 - Security devices