Average Co-Inventor Count = 2.00
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. Gm Global Technolgoy Operations, Inc. (2 from 30,943 patents)
2 patents:
1. 8600011 - Navigation system support of in-vehicle TTY system
2. 8588731 - TYY interface module signal to communicate equipment disruption to call center