Average Co-Inventor Count = 6.87
ph-index = 1
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 2,664 patents)
2 patents:
1. 8307812 - Vaporized-fuel processing device for an engine
2. 7523726 - Air-cooled V-shaped engine