Average Co-Inventor Count = 11.00
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. Other (1 from 832,680 patents)
2. Beijing Urban Construction Design & Development Group Co. Limited (1 from 7 patents)
1 patent:
1. 12025008 - Vertical orthogonal top exhausting air duct structure of deeply-buried subway station and construction method therefor