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. California Institute of Technology (2 from 4,548 patents)
2 patents:
1. 9874202 - Metallic wall hall thrusters
2. 9453502 - Metallic wall hall thrusters