Average Co-Inventor Count = 3.11
ph-index = 2
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 (2 from 2,699 patents)
2 patents:
1. 8146570 - Fuel system for vehicle with engine
2. 8007403 - Work vehicle having hydraulic stepless speed changing apparatus