Average Co-Inventor Count = 7.00
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. Blackboard Inc. (3 from 23 patents)
3 patents:
1. 7558853 - Internet-based education support system and methods
2. 7493396 - Internet-based education support system and methods
3. 6988138 - Internet-based education support system and methods