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. Changsha University of Science and Technology (1 from 47 patents)
2. Railway No 5 Bureau Group First Engineering Co Ltd (1 from 1 patent)
1 patent:
1. 11840817 - Method for constructing steel sheet pile cofferdam on deep sand gravel overburden layer