Average Co-Inventor Count = 1.00
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. Pei Company (1 from 2 patents)
2. Fei Comapny (800 patents)
1 patent:
1. 7150811 - Ion beam for target recovery