Average Co-Inventor Count = 4.41
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 (5 from 2,697 patents)
5 patents:
1. 10519908 - Device for supplying fuel to engine
2. 9416701 - Work vehicle having exhaust apparatus
3. D709528 - Portion of a tractor
4. 6499550 - Working vehicle having detachable panel cover
5. D438546 - Agricultural tractor