Average Co-Inventor Count = 4.97
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. (6 from 1,453 patents)
6 patents:
1. 10430821 - Prepaid rewards credited to a transaction account
2. 9934537 - System and method for providing offers through a social media channel
3. 9613361 - System and method for E-mail based rewards
4. 9569789 - System and method for administering marketing programs
5. 9558505 - System and method for prepaid rewards
6. 9412102 - System and method for prepaid rewards