Average Co-Inventor Count = 3.00
ph-index = 1
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. Qr Limited (1 from 2 patents)
2. Aurizon Operations Limited (1 patent)
1 patent:
1. 9061594 - Pantograph damage and wear monitoring system