Average Co-Inventor Count = 11.00
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. Cccc Tunnel Engineering Co., Ltd. (1 from 1 patent)
1 patent:
1. 12340152 - Large-scale underground shield docking model test platform and test method using same