Average Co-Inventor Count = 3.45
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 U.s.a. Inc. (5 from 475 patents)
5 patents:
1. 8688581 - Product level payment network acquired transaction authorization
2. 8660862 - Determination of healthcare coverage using a payment account
3. 8660855 - System and method using extended authorization hold period
4. 8560446 - Product level payment network acquired transaction authorization
5. 7650308 - Auto substantiation for over-the-counter transactions