Average Co-Inventor Count = 4.00
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. Blucher Gmbh (2 from 72 patents)
2. Friedrich-alexander-universitat Erlangen-nürnberg (1 from 53 patents)
2 patents:
1. 9440219 - Filter materials for treating and purifying gas
2. 9409162 - Activated carbon with a metal based component