Average Co-Inventor Count = 14.25
ph-index = 4
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. Encyclopaedia Britannica, Inc. (4 from 8 patents)
4 patents:
1. 7664775 - Multimedia search system
2. 7082437 - Multimedia search system
3. 6978277 - Multimedia search system
4. 6546399 - Multimedia search system