Average Co-Inventor Count = 2.58
ph-index = 12
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 (11 from 2,520 patents)
2. Visa U.s.a. Inc. (1 from 475 patents)
12 patents:
1. 9020853 - Smart card loading transactions using wireless telecommunications network
2. 8805746 - Smart card purchasing transactions using wireless telecommunications network
3. 8533116 - Internet payment, authentication and loading system using virtual smart card
4. 8417631 - Smart card loading transactions using wireless telecommunications network
5. 8175973 - Internet payment, authentication and loading system using virtual smart card
6. 8082211 - Smart card purchase transactions using wireless telecommunications network
7. 8078532 - Smart card loading transactions using wireless telecommunications networks
8. 8019684 - Smart card load and purchase transactions using wireless telecommunications network
9. 7908216 - Internet payment, authentication and loading system using virtual smart card
10. 7729986 - Smart card transactions using wireless telecommunications network
11. 6282522 - Internet payment system using smart card
12. 6105008 - Internet loading system using smart card