Average Co-Inventor Count = 3.11
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. (7 from 1,452 patents)
7 patents:
1. 8240574 - Infrared blocking article
2. 8191788 - Transaction card
3. 8079514 - Metal-containing transaction card and method of making the same
4. 8033474 - Infrared blocking article
5. 7971786 - Metal-containing transaction card and method of making the same
6. 7837118 - Infrared blocking article
7. 7819310 - Metal-containing transaction card and method of making the same