Average Co-Inventor Count = 2.40
ph-index = 1
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. Blackboard Inc. (2 from 23 patents)
2 patents:
1. 9129090 - Distributed service point transaction system
2. 8763070 - Electronic transactions system