Average Co-Inventor Count = 4.29
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. Crrc Qingdao Sifang Co., Ltd. (3 from 92 patents)
3 patents:
1. 11738782 - Activation control method and apparatus for railway train
2. 11609560 - Method and system for monitoring rail vehicle
3. 10939263 - Multi-network convergence method and device