Average Co-Inventor Count = 4.00
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. Kawasaki Jukogyo Kabushiki Kaisha (3 from 3,322 patents)
2. Deere + Company (1 from 8,451 patents)
3 patents:
1. D392647 - Internal combustion engine
2. 4862981 - Internal combustion engine and devices employing same
3. D265820 - Motor boat