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. Dr. Ing. H.c. F. Porsche Aktiengesellschaft (1 from 4,052 patents)
1 patent:
1. 4798181 - Valve guidance for an exhaust gas valve of an internal combustion engine