Average Co-Inventor Count = 2.00
ph-index = 2
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. H&r Block Tax Services LLC (3 from 12 patents)
3 patents:
1. 8521625 - Tax refund system
2. 7765132 - Tax refund system
3. 7177829 - Tax refund system