Average Co-Inventor Count = 8.18
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 (3 from 2,667 patents)
3 patents:
1. 5018344 - Lawn mower with blower unit
2. 4977733 - Four wheel steering tractor having a mid-mount mower
3. 4760686 - Attachment device for front-mountable working implement