Average Co-Inventor Count = 1.67
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. Ctb/mcgraw-hill LLC (4 from 12 patents)
4 patents:
1. 8128414 - System and method for the development of instructional and testing materials
2. 8086166 - Method and system for creating, administering and automating scoring of dimensional modeling constructed response items
3. 7980855 - Student reporting systems and methods
4. 7056124 - Method and system for creating, administering and automating scoring of dimensional modeling constructed response items