Average Co-Inventor Count = 8.57
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. American Express Travel Related Services Company, Inc. (3 from 1,453 patents)
3 patents:
1. 7908207 - Interactive demand management
2. 7440918 - Interactive demand management
3. 7228313 - Ticket tracking and refunding system and method