Average Co-Inventor Count = 2.22
ph-index = 5
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 Holographics Limited (2 from 6 patents)
2. Thomas De La Rue and Company Limited (2 from 5 patents)
3. De La Rue International Limited (1 from 194 patents)
5 patents:
1. 6776933 - Method of manufacturing a security item
2. 5492370 - Decorative article
3. 5438928 - Signature panels
4. 5413839 - Transfer film
5. 5310222 - Optical device