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. Perkins Engines Company Limited (3 from 166 patents)
3 patents:
1. 11939931 - Engine control system
2. 11898513 - Internal combustion engine controller
3. 11719181 - Internal combustion engine controller