Average Co-Inventor Count = 3.60
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. Siemens Information & Communication Networks, Inc. (2 from 310 patents)
2. Siemens Business Communication Systems, Inc. (1 from 46 patents)
3 patents:
1. 5950165 - Automated visiting of multiple web sites
2. 5943410 - Automated calling of multiple numbers using directory assistance
3. 5828742 - Caller discrimination within a telephone system