Average Co-Inventor Count = 4.00
ph-index = 3
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 (8 from 2,165 patents)
2. Nielsen Media Research, Inc. (41 patents)
8 patents:
1. 11924486 - Portable multi-purpose audience measurement systems, apparatus and methods
2. 11388460 - Portable multi-purpose audience measurement systems, apparatus and methods
3. 10848804 - Portable multi-purpose audience measurement systems, apparatus and methods
4. 10085052 - Portable multi-purpose audience measurement systems, apparatus and methods
5. 9615114 - Portable multi-purpose audience measurement systems, apparatus and methods
6. 8806535 - Portable multi-purpose audience measurement systems, apparatus and methods
7. 8539527 - Portable multi-purpose audience measurement systems, apparatus and methods
8. 7587732 - Portable multi-purpose audience measurement system