Average Co-Inventor Count = 3.00
ph-index = 1
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 (2 from 164,173 patents)
2 patents:
1. 10142481 - Voicemail transmission utilizing signals associated with radio band frequencies
2. 9648472 - Voicemail transmission utilizing signals associated with radio band frequencies