Average Co-Inventor Count = 3.75
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 (2 from 2,667 patents)
2. Kyowa Limited (1 from 10 patents)
2 patents:
1. D310189 - Automobile tire
2. D307911 - Walking operator type lawn mower