Average Co-Inventor Count = 5.00
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. Byd Company Limited (3 from 915 patents)
3 patents:
1. 11305791 - Rail transport system
2. 11267493 - Rail transport system
3. 11155279 - Rail transport system