Average Co-Inventor Count = 9.00
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. Chinese Academy of Sciences (1 from 3,086 patents)
1 patent:
1. 12188794 - Grating displacement measurement device and method using double-layer floating reading head, medium, and apparatus