Average Co-Inventor Count = 3.08
ph-index = 9
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 U.s.a. Inc. (18 from 475 patents)
2. Other (1 from 832,718 patents)
19 patents:
1. 11501581 - On-line authorization in access environment
2. 11094142 - On-line authorization in access environment
3. 10810594 - Delayed transit fare assessment
4. 10249101 - On-line authorization in access environment
5. 10055735 - Delayed transit fare assessment
6. 9373115 - Contactless prepaid product for transit fare collection
7. 9311643 - Aggregation of validated transactions for settlement
8. 9256875 - Processing transactions of different payment devices of the same issuer account
9. 8973818 - Processing transactions of different payment devices of the same issuer account
10. 8881971 - Transit agency as an issuer and/or program manager of prepaid products
11. 8825517 - On-line authorization in access environment
12. 8746556 - Open system account remote validation for access
13. 8738485 - Contactless prepaid product for transit fare collection
14. 8712892 - Verification of a portable consumer device in an offline environment
15. 8448852 - Open system account remote validation for access