Average Co-Inventor Count = 10.47
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. China University of Mining and Technology (cumt) (2 from 285 patents)
2. Dongnan Elevator Co, Ltd (2 from 10 patents)
2 patents:
1. 9242836 - Apparatus and method for automatically adjusting the tension of a flexible guide rail
2. 9156655 - Mining elevator traction cable connecting apparatus and measuring method therefor