Average Co-Inventor Count = 4.44
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. Ctb/mcgraw-hill LLC (2 from 12 patents)
2 patents:
1. 8170466 - System and method for automated assessment of constrained constructed responses
2. 7980855 - Student reporting systems and methods