Average Co-Inventor Count = 2.40
ph-index = 5
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 2,699 patents)
2. Kabota Corporation (1 from 1 patent)
6 patents:
1. D576321 - Headlight portion of an agricultural tractor
2. D537455 - Hood portion for a tractor
3. 7040791 - Illumination apparatus having front and side illumination units
4. D498245 - Agricultural tractor
5. 6446521 - Tractor transmission
6. 4716775 - Transmission having cassette type supplementary change speed apparatus