Average Co-Inventor Count = 4.36
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. International Business Machines Corporation (4 from 164,108 patents)
4 patents:
1. 9755996 - Messaging in attention critical environments
2. 9680784 - Messaging in attention critical environments
3. 8842021 - Methods and systems for early warning detection of emergency vehicles
4. 8130262 - Apparatus and method for enhancing field of vision of the visually impaired