Average Co-Inventor Count = 4.00
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. (2 from 739 patents)
2. Sk Enmove Co., Ltd. (2 from 5 patents)
3. Sk Innovation Co., Ltd. and Sk Enmove Co., Ltd. (1 from 1 patent)
3 patents:
1. 12421462 - Lube base oil manufacturing process utilizing refined oil fraction of waste lubricant, and lube base oil manufactured thereby
2. 12227705 - Process of producing high-quality lube base oil by using refined oil fraction of waste lubricant
3. 11873456 - Process of producing high-quality lube base oil by using refined oil fraction of waste lubricant