Average Co-Inventor Count = 6.00
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. Cnpc USA Corporation (1 from 93 patents)
2. Beijing Huamei Inc. (1 from 47 patents)
1 patent:
1. 11401749 - Cutting element with reduced friction