Average Co-Inventor Count = 3.27
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. 6052367 - Client-server system
2. 5844158 - Voice processing system and method
3. 5812644 - Voice processing system with telephone interface subsystem