Average Co-Inventor Count = 6.00
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 18,523 patents)
1 patent:
1. 8225758 - Continuously variable valve lift system for engines and controlling method thereof