Average Co-Inventor Count = 5.00
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. Visa International Service Association (5 from 2,525 patents)
5 patents:
1. 12301580 - Efficient and secure authentication system
2. 11496481 - Efficient and secure authentication system
3. 11030608 - Recordation of electronic payment transaction information
4. 10332094 - Recordation of electronic payment transaction information
5. 8977567 - Recordation of electronic payment transaction information