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. China University of Mining and Technology (1 from 355 patents)
2. Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd. (1 from 10 patents)
1 patent:
1. 9878882 - Large-tonnage slender externally powered curve rail-mounted unloading skip