Average Co-Inventor Count = 1.00
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. Spx Corporation (2 from 614 patents)
2 patents:
1. D725340 - Fare collection box
2. D724088 - Remote fare reader