Average Co-Inventor Count = 3.60
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. Kubota Corporation (3 from 2,699 patents)
3 patents:
1. 10179506 - Hybrid vehicle
2. 9511761 - Hybrid vehicle
3. 6320497 - Display control system for a working vehicle