Average Co-Inventor Count = 9.60
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. Chang'an University (2 from 43 patents)
2 patents:
1. 11555700 - Quick fixing device for measuring tunnel peripheral convergence and application method thereof
2. 10767482 - Rescue capsule for shelter in tunnel construction