Average Co-Inventor Count = 8.00
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. Haldor Topsoe A/s (2 from 440 patents)
2. Umicore Ag & Co Kg (428 patents)
3. Haldor Topse A/s (141 patents)
2 patents:
1. 9855528 - System for the purification of exhaust gas from an internal combustion engine
2. 9561468 - Method and system for the purification of exhaust gas from an internal combustion engine