Average Co-Inventor Count = 6.75
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. 12358539 - Linear motor for maglev train, and maglev train
2. 12337884 - Positioning system and method for maglev train
3. 11577614 - Suspension frame assembly of magnetic levitation vehicle