Average Co-Inventor Count = 7.20
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. Reed Elsevier Inc. (3 from 7 patents)
3 patents:
1. 5771378 - Associative text search and retrieval system having a table indicating
2. 5761497 - Associative text search and retrieval system that calculates ranking
3. 5692176 - Associative text search and retrieval system