Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6430922 | Construction machine | — | 2002-08-13 |
| 6378303 | Hydraulic control device of a working machine | Fumikazu Higuchi, Kazuharu Tajima | 2002-04-30 |
| 6148548 | Construction machine | — | 2000-11-21 |
| 6050090 | Control apparatus for hydraulic excavator | — | 2000-04-18 |
| 5996341 | Hydraulic control circuit in a hydraulic excavator | — | 1999-12-07 |
| 5970709 | Hydraulic control circuit in a hydraulic excavator | — | 1999-10-26 |
| 5950430 | Construction machine | Kazuhiko Fujii, Kazuyuki Doi | 1999-09-14 |
| 5743089 | Hydraulic control system | — | 1998-04-28 |