Average Co-Inventor Count = 6.72
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. Blackboard Inc. (4 from 23 patents)
4 patents:
1. 8745222 - Content system and associated methods
2. 7558853 - Internet-based education support system and methods
3. 7493396 - Internet-based education support system and methods
4. 6988138 - Internet-based education support system and methods