Average Co-Inventor Count = 10.66
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. Mann+hummel Gmbh (2 from 1,011 patents)
2 patents:
1. D890047 - Brake dust filter
2. 8501002 - Exchangeable filter insert