Average Co-Inventor Count = 4.44
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 (3 from 2,520 patents)
2. Visa U.s.a. Inc. (3 from 475 patents)
6 patents:
1. 11138607 - Intelligent authentication
2. 10057085 - Contactless transaction
3. 9799031 - Intelligent authentication
4. 8989712 - Mobile phone payment process including threshold indicator
5. 8923827 - Mobile payment management
6. 8364593 - Intelligent authentication