Average Co-Inventor Count = 2.73
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 2,683 patents)
5 patents:
1. 8491041 - Vehicle with cabin
2. 8419061 - Tractor
3. 8104826 - Vehicle with cabin
4. 7703840 - Vehicle with cabin
5. 7399020 - Sound insulation structure for tractor