Average Co-Inventor Count = 3.00
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. Daimler-benz Ag (2 from 1,777 patents)
2 patents:
1. 4294209 - Internal combustion engine
2. 4086878 - Combustion process for externally controlled reciprocating piston