Average Co-Inventor Count = 8.84
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 (1 from 2,667 patents)
2. Kubuto, Ltd. (1 from 1 patent)
2 patents:
1. 4772065 - Tractor cabin and manufacturing method therefor
2. 4650242 - Tractor cabin