Average Co-Inventor Count = 5.52
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. Sk Innovation Co., Ltd. (3 from 740 patents)
2. Sk Global Chemical Co., Ltd. (2 from 81 patents)
3. Sk Lubricants Co., Ltd. (1 from 24 patents)
3 patents:
1. 10233373 - Drilling oil and method of preparing the same
2. 9976098 - Method for preparing high-quality lubricant from biomass-derived fatty acid
3. 9879169 - Drilling oil and method of preparing the same