Average Co-Inventor Count = 14.99
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. University of Science and Technology Beijing (1 from 121 patents)
2. China Coal No.3 Construction Corporation (Group) Ltd (1 from 1 patent)
3. Hefei Design & Research Institute of Coal Industry Co., Ltd (1 from 1 patent)
4. Ansteel Group Mining Corporation Limited (1 from 1 patent)
1 patent:
1. 11891865 - Full-face shaft tunnel boring machine system