Average Co-Inventor Count = 2.50
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.
Company Filing History:
1. De La Rue Systems Ltd. (3 from 78 patents)
3 patents:
1. 4968015 - Sheet feeding apparatus and method
2. 4560155 - Sheet feeding apparatus with sheet separator
3. 4506880 - Sheet handling machines