Average Co-Inventor Count = 2.48
ph-index = 6
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 (6 from 2,699 patents)
6 patents:
1. D391581 - Agricultural tractor
2. D387068 - Agricultural tractor
3. D378755 - Agricultural tractor
4. D363939 - Riding mower
5. D340936 - Lawn mower
6. D305894 - Forklift tractor