Average Co-Inventor Count = 10.00
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 (3 from 164,108 patents)
3 patents:
1. 6741963 - Method of managing a speech cache
2. 6738742 - Audio notification management system
3. 6542868 - Audio notification management system