Average Co-Inventor Count = 2.57
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. Zf Friedrichshafen Ag (3 from 3,444 patents)
3 patents:
1. 6176810 - Starter interlock system for a motor vehicle with an automatic gear box
2. 6169335 - Current control process
3. 5550449 - Process for driving electric, current-controlled actuators