Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5101627 | Adjustable flow-combining restrictor for hydraulic excavator dual pump circuit | Kazuhiko Fujii, Hiroshi Shimokakiuchi, Sumio Kouchi | 1992-04-07 |
| 5083428 | Fluid control system for power shovel | Kazuyuki Doi | 1992-01-28 |
| 4986072 | Hydraulic actuator circuit with flow-joining control | — | 1991-01-22 |
| 4984427 | Control circuit for hydraulic actuator | — | 1991-01-15 |