Average Co-Inventor Count = 8.55
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 (4 from 307 patents)
2. Shaanxi Xitan Geological Equipment (2 from 2 patents)
4 patents:
1. 12352003 - Whole-space drilling-grouting integrated device
2. 12343902 - Multi-pump linkage grouting operating system
3. 11630042 - Horizontal jet-mechanical combined rock breaking test device and method
4. 10408718 - Three-dimensional non-uniform loading/unloading and steady pressure model test system