Average Co-Inventor Count = 4.00
ph-index = 3
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. Other (2 from 832,912 patents)
2. American Express Travel Related Services Company, Inc. (1 from 1,453 patents)
3 patents:
1. 7922083 - Payment programs for healthcare plans
2. 7905399 - Linking transaction cards with spending accounts
3. 7590557 - Healthcare card incentive program for multiple users