Average Co-Inventor Count = 3.00
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. Hitachi, Ltd. (3 from 42,535 patents)
3 patents:
1. 10507839 - Driving assistance apparatus with human machine interface system
2. 9043116 - Method and apparatus for performing driving assistance
3. 8977464 - Method and apparatus for performing driving assistance