Average Co-Inventor Count = 7.00
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. Siemens Business Communication Systems, Inc. (1 from 46 patents)
2. Siemens Business Communications Systems (1 from 2 patents)
2 patents:
1. D392284 - Telephone
2. D389142 - Telephone