Average Co-Inventor Count = 4.80
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 (2 from 18,559 patents)
2. Kia Motors Corporation (1 from 8,087 patents)
2 patents:
1. 9108562 - System for controlling virtual engine sound and method thereof
2. 8754762 - Apparatus for generating operating sound of vehicle