Average Co-Inventor Count = 6.35
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. International Business Machines Corporation (5 from 164,108 patents)
5 patents:
1. 8406123 - Sip presence server failover
2. 8140692 - Flexibly configured presence server
3. 7143356 - Communication link system based on user indicator
4. 7103846 - Collaborative application with indicator of concurrent users
5. 7100116 - Visual indicator of network user status based on user indicator