Average Co-Inventor Count = 17.01
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 (1 from 674 patents)
2. Sinopec Shengli Petroleum Engineering Co., Ltd (1 from 6 patents)
3. Sinopec Oilfield Service Corporation (1 from 5 patents)
4. Drilling Technology Research Institute of Sinopec Shengli Petroleum Engineering Co., Ltd. (1 from 5 patents)
1 patent:
1. 12291668 - Coated rubber particle, its preparation and application thereof