Average Co-Inventor Count = 3.11
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 Qiqihar Rolling Stock Co., Ltd. (1 from 10 patents)
2. Beijing Chj Information Technology Co., Ltd. (1 from 5 patents)
2 patents:
1. 12313876 - Through-type lamp and vehicle
2. 10569789 - Railway wagon for transporting trucks and method for loading and unloading truck