Average Co-Inventor Count = 1.33
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. Helsa-werke Helmut Sandler Gmbh & Co. Kg (1 from 10 patents)
2. Helsa-werk Helmut Sandler Gmbh & Co. Kg (1 from 1 patent)
3. Mahle Behr Gmbh & Co. Kg (33 patents)
4. Syddansk Universitet (32 patents)
5. Dinex A/s (9 patents)
6. Mann+hummel Innenraumfilter Gmbh & Co. Kg (1 patent)
7. Stiholt, Leif (0 patent)
2 patents:
1. 6699561 - Activated carbon molded body and use thereof
2. 6652629 - Filter apparatus