Average Co-Inventor Count = 6.86
ph-index = 2
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. Fichtel & Sachs Ag (2 from 558 patents)
2 patents:
1. 5685407 - Transmission device for a motor vehicle
2. 5634542 - Friction clutch with a flywheel