Average Co-Inventor Count = 4.29
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. The Nielsen Comapny (us), LLC (33 from 2,161 patents)
33 patents:
1. 12443971 - Methods, systems, apparatus and articles of manufacture to determine causal effects
2. 12361439 - Methods, systems, articles of manufacture, and apparatus to estimate audience population
3. 12271925 - Methods and apparatus to estimate population reach from marginals
4. 12206942 - Methods and apparatus to estimate population reach from different marginal rating unions
5. 12148001 - Methods and apparatus to estimate census level impressions and unique audience sizes across demographics
6. 12069337 - Methods, systems, articles of manufacture, and apparatus to estimate audience population
7. 11978071 - Methods and apparatus to determine reach with time dependent weights
8. 11887132 - Processor systems to estimate audience sizes and impression counts for different frequency intervals
9. 11842356 - Methods, systems and apparatus to improve the efficiency of calculating a customer retention rate
10. 11836750 - Methods, systems, articles of manufacture, and apparatus to estimate audience population
11. 11825141 - Methods and apparatus to estimate population reach from different marginal rating unions
12. 11689767 - Methods and apparatus to estimate population reach from different marginal rating unions
13. 11682032 - Methods and apparatus to estimate population reach from different marginal ratings and/or unions of marginal ratings based on impression data
14. 11659242 - Methods, systems, articles of manufacture, and apparatus to estimate audience population
15. 11544726 - Methods, systems, articles of manufacture, and apparatus to estimate audience population