Average Co-Inventor Count = 8.80
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. Visa International Service Association (3 from 2,512 patents)
3 patents:
1. 9864993 - Account authentication service with chip card
2. 7991701 - Online payer authentication service
3. 7827115 - Online payer authentication service