Average Co-Inventor Count = 4.07
ph-index = 4
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 Chrysler Ag (1 from 2,614 patents)
2. Daimler Ag (1 from 2,047 patents)
3. Mercedes-benz Aktiengesellschaft (1 from 932 patents)
4. Marquardt Gmbh (1 from 121 patents)
4 patents:
1. 7576636 - Driver authorization system
2. 7023318 - Locking system, especially for motor vehicles
3. 6546768 - Ignition lock system for motor vehicles
4. 5596233 - Light switching device for a motor vehicle