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. Skidata Ag (2 from 77 patents)
2 patents:
1. 9666002 - Method for operating a vehicle barrier
2. 9206642 - Turnstile access-control device