Average Co-Inventor Count = 5.00
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. Perkins Engines Company Limited (1 from 166 patents)
1 patent:
1. 12020487 - Vehicle lighting control using image processing of changes in ambient light intensity