Average Co-Inventor Count = 6.00
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. Beijing Urban Construction Design & Development Group Co. Limited (1 from 7 patents)
1 patent:
1. 11821316 - System and construction method of single-layer lining tunnel structure based on mine-tunnelling method