Average Co-Inventor Count = 2.70
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 (5 from 2,737 patents)
2. Kabushiki Kaisha Komatsu Seisakusho (5 from 1,009 patents)
10 patents:
1. 5857330 - Travelling control circuit for a hydraulically driven type of travelling
2. 5832808 - Directional control valve unit
3. 5794510 - Pressurized fluid feed system
4. 5730182 - Pressure compensation valve
5. 5701796 - Hydraulic apparatus for traveling
6. 5234028 - Variable pressure control valve
7. 5163477 - Electrohydraulic proportional control valve
8. 5136930 - Apparatus for supplying pressure oil to hydraulic cylinders employed in
9. 5076144 - Poppet valve device
10. 4984603 - Flow control valve assembly