Average Co-Inventor Count = 6.13
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 U.s.a. Inc. (4 from 475 patents)
2. Visa International Service Association (3 from 2,520 patents)
5 patents:
1. 9864993 - Account authentication service with chip card
2. 9852437 - Opt-in/opt-out in loyalty system
3. 8215563 - Method and system for facilitating memory and application management on a secured token
4. 7874492 - Method and system for facilitating memory and application management on a secured token
5. 7243853 - Method and system for facilitating memory and application management on a secured token