Average Co-Inventor Count = 11.00
ph-index = 5
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. (5 from 1,452 patents)
5 patents:
1. D512095 - Card with an antenna and a blue rectangle
2. D510103 - Transparent card with an antenna
3. D508261 - Transparent card with an antenna and a rectangle
4. D507598 - Transparent card with an antenna and a blue rectangle
5. D507298 - Card with an antenna and a rectangle