Average Co-Inventor Count = 4.61
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 (3 from 1,777 patents)
3 patents:
1. 4377135 - Additive means for an air compressing internal combustion engine
2. 4167167 - Internal combustion engine with externally controlled ignition
3. 4098252 - Method and apparatus for carrying out the method to control a