Average Co-Inventor Count = 5.00
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. Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd. (1 from 10 patents)
2. Hefei Design & Research Inst. of Coal Industry Co., Ltd. (1 from 1 patent)
3. Hefei University (1 from 1 patent)
1 patent:
1. 11199091 - Cageway connecting device and connecting method thereof