Average Co-Inventor Count = 3.89
ph-index = 2
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 (5 from 909 patents)
2. Shenzhen Byd Auto R&d Company Limited (87 patents)
5 patents:
1. 11453980 - Turnout and turnout assembly
2. 8650979 - Drive system of an electric vehicle
3. 8336653 - Hybrid power drive system and drive method
4. 8337351 - Hybrid power driving system
5. 8307925 - Hybrid power driving system and the driving method