Average Co-Inventor Count = 7.20
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 (1 from 558 patents)
2. Mannesmann Sachs Ag (1 from 353 patents)
2 patents:
1. 5979628 - Elastic wear indicator for a friction clutch
2. 5799766 - Arrangement for the attachment of a flywheel to a crankshaft