Average Co-Inventor Count = 3.00
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. Dr. Ing. H.c. F. Porsche Aktiengesellschaft (3 from 4,052 patents)
3 patents:
1. 5033326 - Shaft for manually guided lift vehicles and lift loaders
2. 4962960 - Arrangement for fixing a top of a motor vehicle
3. 4915443 - Transformable passenger motor vehicle