Average Co-Inventor Count = 5.00
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. Visa International Service Association (2 from 2,520 patents)
2 patents:
1. 8812385 - Alterable account number
2. 8712889 - Alterable account number