Average Co-Inventor Count = 5.46
ph-index = 1
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. (2 from 475 patents)
2 patents:
1. 8292164 - Testing protocols for extended functionality cards
2. 7966350 - Evidence repository application system and method