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 164,108 patents)
3 patents:
1. 9449103 - Systems and methods for presenting electronic contact lists
2. 8984062 - System and method for managing hunt groups
3. 8953471 - Counteracting spam in voice over internet protocol telephony systems