Average Co-Inventor Count = 1.29
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 Petroleum Chemical Corporation (6 from 674 patents)
2. Sinopec Zhongyuan Oilfield Service Corporation Drilling Engineering Research Institute (3 from 3 patents)
3. Sinopec Petroleum Engineering Technology Service Co., Ltd. (2 from 6 patents)
4. Drilling Engineering Technology Research Inst. of Sinopec Zhongyuan Petroleum Engineering Co., Ltd (1 from 1 patent)
5. Sinopec Zhongyuan Oilfild Service Corporation Drilling Engineering Research Institute (1 from 1 patent)
6. Sinopec Zhongyuan Petroleum Engineering Co., Ltd (1 from 1 patent)
7. Drilling Engineering Technology Research Institute of Sinopec Zhongyuan Petroleum Engineering Co., Ltd (1 from 1 patent)
6 patents:
1. 11952530 - Aryl-substituted saccharides or glycosides and use thereof in a drilling fluid composition
2. 11713409 - Substituted saccharides or glycosides and use thereof in a drilling fluid composition
3. 10047200 - Dendritic polymer, dendritic polymer monomer, and hyperbranched copolymer
4. 9475894 - Dendritic polymer, dendritic polymer monomer, and hyperbranched copolymer
5. 9206342 - Phosphonate-containing polymer and use thereof and phosphonate-containing polymer viscosity reducer for drilling fluid
6. 9085722 - Acryloylmorpholine polymer and use thereof and filtrate reducer for drilling fluid