Average Co-Inventor Count = 2.00
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. Union Pacific Railroad Company (2 from 29 patents)
2 patents:
1. 11225758 - Automated railroad tie unloading
2. 9074325 - Portable temporary turnout system for rails