Average Co-Inventor Count = 4.00
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. Prometric Inc. (4 from 12 patents)
4 patents:
1. 9418565 - Extensible exam language (XXL) protocol for computer based testing
2. 8579633 - Extensible exam language (XXL) protocol for computer based testing
3. 8454369 - Extensible exam language (XXL) protocol for computer based testing
4. 7494340 - Extensible exam language (XXL) protocol for computer based testing