Average Co-Inventor Count = 4.20
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. Blackboard Inc. (2 from 23 patents)
2 patents:
1. 9053500 - Internet-based education support system and method with multi-language capability
2. 7908602 - Internet-based education support system, method and medium providing security attributes in modular, extensible components