Average Co-Inventor Count = 5.54
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. International Business Machines Corporation (1 from 164,197 patents)
2. Educational Testing Service (1 from 222 patents)
2 patents:
1. 8599408 - Publishing content to social network sites from applications
2. 8202097 - Computer based test item generation