Average Co-Inventor Count = 8.89
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. China University of Petroleum (2 from 25 patents)
2. China University of Geosciences (beijing) (1 from 38 patents)
3. Cnooc Energy Development Co., Ltd. Engineering Branch (1 from 1 patent)
4. Tianjin Branch of China National Offshore Oil Corporation Ltd. (1 from 1 patent)
2 patents:
1. 11959012 - Temperature-resistant and salt-resistant modified nano-graphite dispersed particle gel system with strong self-growth effect
2. 11247909 - Multi-grafting site carbon nanomaterial and activated carbon nanomaterial and preparation method thereof and displacement system for ultra-low permeability oil reservoirs