Average Co-Inventor Count = 8.94
ph-index = 2
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. Sichuan University (3 from 238 patents)
2. Other (1 from 832,880 patents)
4 patents:
1. 10018594 - Fixing device for acoustic emission test sensors for rock damage testing
2. 9714891 - Rock fixing device with hydraulic-spring combination and position-limiting chuck for direct tensile test
3. 9574980 - Position-limit device with spring components for direct tensile test
4. 9488559 - Hydraulic and spring combination device with position-limit spring for rock sample