Average Co-Inventor Count = 4.09
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. Sram Deutschland Gmbh (2 from 175 patents)
2. Fichtel & Sachs Ag (1 from 558 patents)
3 patents:
1. 6571920 - Wheel hub for bicycles
2. 6010197 - Hub for spoked wheels
3. 5738197 - Freewheel hub for bicycles