Average Co-Inventor Count = 5.29
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. Switchboard Incorporated (2 from 6 patents)
2. Banyan Systems, Inc. (1 from 7 patents)
3 patents:
1. 6195660 - On-line directory service
2. 5918227 - On-line directory service with a plurality of databases and processors
3. 5813006 - On-line directory service with registration system