Average Co-Inventor Count = 1.33
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. Inter-tel, Inc. (2 from 34 patents)
2 patents:
1. 7778399 - System and method for real-time call log status
2. D569865 - Voice over internet protocol device