Average Co-Inventor Count = 2.90
ph-index = 5
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 (16 from 2,512 patents)
2. Other (1 from 832,680 patents)
17 patents:
1. 12235939 - Authentication system with message conversion
2. 12033151 - Authenticating transactions using risk scores derived from detailed device information
3. 11282082 - Authentication system with message conversion
4. 11074585 - Authenticating transactions using risk scores derived from detailed device information
5. 10963932 - User enhanced authentication system for online purchases
6. 10909539 - Enhancements to transaction processing in a secure environment using a merchant computer
7. 10896452 - User enhanced authentication system for online purchases
8. 10607225 - Voice filter system
9. 10567366 - Systems and methods of user authentication for data services
10. 10187366 - Systems and methods of user authentication for data services
11. 9996864 - User enhanced authentication system for online purchases
12. 9978065 - Voice filter system
13. 9569775 - Methods and systems for performing authentication in consumer transactions
14. 9135621 - Methods and systems for performing authentication in consumer transactions
15. 8612305 - User enhanced authentication system for online purchases