Average Co-Inventor Count = 4.00
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. Checkfree Corporation (3 from 68 patents)
3 patents:
1. 8005754 - Credit card supported electronic payment
2. 7644036 - Credit card supported electronic payments
3. 6932268 - Dual mode credit card based payment technique