Average Co-Inventor Count = 4.10
ph-index = 4
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. Mastercard International Incorporated (4 from 2,317 patents)
4 patents:
1. 8584936 - Techniques for authorization of usage of a payment device
2. 8556170 - Techniques for authorization of usage of a payment device
3. 7828204 - Techniques for authorization of usage of a payment device
4. 7765162 - Method and system for conducting off-line and on-line pre-authorized payment transactions