Average Co-Inventor Count = 4.00
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. Mahle International Gmbh (1 from 1,482 patents)
2. Mahle Filter Systems Japan Corporation (1 from 85 patents)
1 patent:
1. 10920631 - Head cover for internal combustion engine cylinder head