Average Co-Inventor Count = 4.00
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. Other (1 from 832,718 patents)
2. Siemens Aktiengesellschaft (1 from 30,034 patents)
2 patents:
1. 6282488 - Airport surface movement guidance and control system
2. 6246342 - Man-machine interface for airport traffic control purposes