Average Co-Inventor Count = 3.43
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. Gebr. Happich Gmbh (2 from 124 patents)
2 patents:
1. 4646879 - Air duct, or the like, for instrument panel for automotive vehicles
2. 4512240 - Door, particularly for a car