Average Co-Inventor Count = 3.00
ph-index = 1
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. (3 from 1,453 patents)
3 patents:
1. 11361296 - Department of defense transaction accounts
2. 10565578 - Department of defense point of sale
3. 9846869 - Secure government transactions