Average Co-Inventor Count = 2.53
ph-index = 27
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 (15 from 2,170 patents)
2. A.c. Nielsen Company (11 from 43 patents)
3. Nielsen Media Research, Inc. (9 from 41 patents)
4. Other (2 from 832,880 patents)
36 patents:
1. 8776103 - Interactive service device metering systems
2. 8732738 - Audience measurement systems and methods for digital television
3. 8548373 - Methods and apparatus for identifying a digital audio signal
4. 8434100 - Source detection apparatus and method for audience measurement
5. 8244527 - Audio signature extraction and correlation
6. 7958526 - Source detection apparatus and method for audience measurement
7. 7941816 - Detection of media links in broadcast signals
8. 7774807 - Source detection apparatus and method for audience measurement
9. 7757248 - Detection of media links in broadcast signals
10. 7742737 - Methods and apparatus for identifying a digital audio signal
11. 7672843 - Audio signature extraction and correlation
12. 7647605 - Coded/non-coded program audience measurement system
13. 7644422 - Interactive service device metering systems
14. 7607147 - Interactive service device metering systems
15. 7587728 - Methods and apparatus to monitor reception of programs and content by broadcast receivers