Average Co-Inventor Count = 10.00
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. American Express Travel Related Services Company, Inc. (2 from 1,453 patents)
5 patents:
1. D510384 - Payment device
2. D497911 - Reader for a payment device
3. D497636 - Payment device
4. D488156 - Reader for a payment device
5. D487894 - Reader for a payment device