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. China Coal Technology & Engineering Group Shenyang Engineering Company (1 from 3 patents)
1 patent:
1. 12140013 - Sealing quality detection device and sealing quality evaluating method for gas extraction boreholes