Average Co-Inventor Count = 4.55
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. Facebook, Inc. (5 from 5,341 patents)
5 patents:
1. 10404815 - Systems and methods for estimating user attention
2. 10404817 - Systems and methods for measuring time spent associated with a social networking system
3. 9787781 - Estimation of user location based upon access patterns
4. 9648117 - Systems and methods for receiving and processing detected events
5. 9407711 - Systems and methods for receiving and processing detected events