Average Co-Inventor Count = 1.33
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. Abb Daimler-benz Transportation (deutschland) Gmbh (1 from 4 patents)
2. Abb Daimler-benz Transportation (1 from 3 patents)
2 patents:
1. 5957058 - Drive unit for electric rail vehicles
2. 5943959 - Partially sprung drive, in particular for electric traction vehicles