Average Co-Inventor Count = 2.00
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. Facebook, Inc. (3 from 5,341 patents)
3 patents:
1. 9576045 - Tagging questions from users on a social networking system
2. 8972894 - Targeting questions to users of a social networking system
3. 8812982 - Targeting questions to users of a social networking system