Average Co-Inventor Count = 2.40
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 (3 from 13,402 patents)
3 patents:
1. 4434977 - Strut type suspension for a vehicle
2. 4149378 - Exhaust system affecting suction of secondary air by use of larger
3. 4083694 - Heat insulating device for an engine exhaust system