Average Co-Inventor Count = 6.46
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 18,611 patents)
2 patents:
1. 9573521 - Apparatus for generating virtual engine sound
2. 9108562 - System for controlling virtual engine sound and method thereof