Average Co-Inventor Count = 5.83
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. Petrochina Company Limited (2 from 160 patents)
2 patents:
1. 10094814 - Performance testing device for acid fracturing fluid and application thereof
2. 9856413 - Viscoelastic surfactant having multiple hydrophobic and hydrophilic groups as fracturing fluids