Average Co-Inventor Count = 5.09
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. Casco Signal Ltd. (2 from 24 patents)
2 patents:
1. 12258054 - Early warning protection system based on Beidou position automatic sensing
2. 11993298 - Moving block train operation control method and system based on train autonomous positioning