Average Co-Inventor Count = 1.94
ph-index = 3
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 (5 from 18,523 patents)
5 patents:
1. 9340100 - Power transmission system of hybrid electric vehicle
2. 9199530 - Power transmission apparatus for vehicle
3. 8714327 - Gear shifting system for electric vehicle
4. 7455610 - Power transmitting apparatus
5. 7326140 - Power transmitting apparatus for hybrid vehicle