Average Co-Inventor Count = 2.00
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. Kawasaki Heavy Industries, Ltd (3 from 18 patents)
3 patents:
1. 4052908 - V-belt type automatic transmission drive clutch device
2. 4051739 - Drive clutch for the V-belt type automatic transmission
3. 4033195 - Driven clutch device for V-belt type automatic transmission