Average Co-Inventor Count = 2.00
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. Hyundai Motor Company (1 from 18,757 patents)
2. Kia Motors Corporation (1 from 8,089 patents)
3. S-Oil Corporation (1 from 12 patents)
1 patent:
1. 9085743 - Low viscosity diesel engine oil composition with improved fuel efficiency