Average Co-Inventor Count = 2.25
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. Zahnradfabrik Friedrichshafen, Ag. (3 from 416 patents)
3 patents:
1. 5135443 - Arrangement and method for operating a variable drive unit
2. 5107722 - Arrangement and method for operating a variable drive unit
3. 5080637 - Hydrostatic-mechanical power-distribution transmission