Average Co-Inventor Count = 3.00
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. Audi Nsu Auto Union Aktiengesellschaft (1 from 117 patents)
2. Wankel Gmbh (1 from 62 patents)
1 patent:
1. 3989423 - Piston of light metal for a rotary piston combustion engine