Average Co-Inventor Count = 2.18
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. Nissan Motor Company Limited (4 from 13,395 patents)
4 patents:
1. 8381850 - Fuel cell system for vehicle and vehicle
2. 8177003 - Fuel cell electric vehicle
3. 7971670 - Fuel cell electric vehicle
4. 7374001 - Fuel cell automobile