Average Co-Inventor Count = 3.27
ph-index = 1
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)
3 patents:
1. 5862665 - Apparatus for preventing reverse rotation for hydraulic actuator
2. 5823227 - Hydraulic pilot valve
3. 5819800 - Hydraulic pilot valve