Average Co-Inventor Count = 5.83
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. (2 from 1,453 patents)
2 patents:
1. 8267313 - System and method for providing a gift card which affords benefits beyond what is purchased
2. 8046299 - Systems, methods, and devices for selling transaction accounts