Average Co-Inventor Count = 5.00
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. Fei Comapny (2 from 800 patents)
2 patents:
1. 8822957 - Three dimensional fiducial
2. 8502172 - Three dimensional fiducial