Average Co-Inventor Count = 6.37
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. The Nielsen Comapny (us), LLC (9 from 2,166 patents)
2. Other (1 from 832,843 patents)
10 patents:
1. 12170818 - Methods and apparatus to calibrate audience measurement ratings based on return path data
2. 12096058 - Methods and apparatus to determine a unique audience for internet-based media
3. 11729447 - Methods and apparatus to determine a unique audience for internet-based media
4. 11716511 - Methods and apparatus to calibrate audience measurement ratings based on return path data
5. 11405690 - Methods and apparatus to calibrate audience measurement ratings based on return path data
6. 11381859 - Methods and apparatus to determine a unique audience for internet-based media
7. 11089365 - Methods and apparatus to calibrate audience measurement ratings based on return path data
8. 11039190 - Methods and apparatus to determine a unique audience for internet-based media
9. 10560744 - Methods and apparatus to calibrate audience measurement ratings based on return path data
10. 10277944 - Methods and apparatus to calibrate audience measurement ratings based on return path data