Average Co-Inventor Count = 6.32
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. (2 from 10 patents)
2. China Shenhua Energy Company Limited (1 from 8 patents)
3. Shen Hua Railway Equipment Company Limited (1 from 1 patent)
2 patents:
1. 12252061 - Container locking device and piggyback transport vehicle
2. 10689011 - Wagon and vehicle body assembly thereof