Average Co-Inventor Count = 4.13
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 Rolling Stock Research Institute Co., Ltd. (1 from 26 patents)
2. Qingdao Sri Technology Co., Ltd. (1 from 3 patents)
3. Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd. X (1 from 1 patent)
3 patents:
1. 11072353 - Automatic uncoupling mechanism for couplers
2. 10655381 - Locking device and opening and closing mechanism having the same
3. 10435046 - Coupler uncoupling control mechanism