Average Co-Inventor Count = 6.67
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. (4 from 5,341 patents)
4 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. 9648117 - Systems and methods for receiving and processing detected events
4. 9407711 - Systems and methods for receiving and processing detected events