Average Co-Inventor Count = 3.20
ph-index = 4
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. Komatsu Corporation (3 from 2,736 patents)
2. Eastman-kodak Company (1 from 21,595 patents)
4 patents:
1. D463807 - Operator cabin of power shovel
2. D463459 - Operator's seat for construction machinery
3. D462973 - Power shovel
4. D438224 - Digital camera