Average Co-Inventor Count = 4.00
ph-index = 2
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. International Business Machines Corporation (3 from 164,244 patents)
3 patents:
1. 9811584 - Information retrieval system, method, and program
2. 9195744 - Protecting information in search queries
3. 8200672 - Supporting document data search