Average Co-Inventor Count = 3.00
ph-index = 4
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. Bowling Green State University (3 from 49 patents)
2. Other (1 from 832,718 patents)
4 patents:
1. 7252165 - Hybrid electric vehicle
2. 7004273 - Hybrid electric vehicle
3. 6651759 - Hybrid electric vehicle
4. 6484830 - Hybrid electric vehicle