Average Co-Inventor Count = 4.50
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. 6108691 - Directory with options for access to and display of email addresses
2. 5918227 - On-line directory service with a plurality of databases and processors
3. 5742769 - Directory with options for access to and display of email addresses