Average Co-Inventor Count = 13.00
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. Shandong University (1 from 447 patents)
1 patent:
1. 12098640 - Liquid nitrogen direct injection and foaming intelligent filling system based on mine fire area characteristics and application method