Average Co-Inventor Count = 3.84
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. American Express Travel Related Services Company, Inc. (6 from 1,453 patents)
2. Sora Applications LLC (1 from 1 patent)
7 patents:
1. 8856897 - Method and apparatus for enabling a user to select an authentication method
2. 8296831 - Method and apparatus for enabling a user to select an authentication method
3. 8255982 - Method and apparatus for enabling a user to select an authentication method
4. 8214886 - Method and apparatus for enabling a user to select an authentication method
5. 7941669 - Method and apparatus for enabling a user to select an authentication method
6. 7835960 - System for facilitating a transaction
7. 7627531 - System for facilitating a transaction