Average Co-Inventor Count = 5.94
ph-index = 6
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. Arbitron Inc. (7 from 40 patents)
2. The Nielsen Comapny (us), LLC (2 from 2,170 patents)
9 patents:
1. 9132689 - Gathering data concerning publication usage
2. 8849182 - Gathering data concerning publication usage
3. 8444180 - Gathering data concerning publication usage
4. 7962315 - Gathering data concerning publication usage
5. 7650793 - Gathering data concerning publication usage
6. 7463144 - Gathering data concerning publication usage
7. 7443292 - Gathering data concerning publication usage
8. 7408460 - Gathering data concerning publication usage
9. 7272982 - Gathering data concerning publication usage