Average Co-Inventor Count = 2.00
ph-index = 4
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 2,516 patents)
2. Visa U.s.a. Inc. (1 from 475 patents)
6 patents:
1. 10339522 - Smart card purchasing transactions using wireless telecommunications network
2. 9558489 - Smart card loading transactions using wireless telecommunications network
3. 9020853 - Smart card loading transactions using wireless telecommunications network
4. 8805746 - Smart card purchasing transactions using wireless telecommunications network
5. 8417631 - Smart card loading transactions using wireless telecommunications network
6. 7729986 - Smart card transactions using wireless telecommunications network