Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681794 | Unloading valve | Mitsuhisa Tougasaki, Yusaku Nozawa, Kinya Takahashi | 2004-01-27 |
| 6453585 | Hydraulic drive device of working machine | Kinya Takahashi, Yusaku Nozawa, Mitsuhisa Tougasaki | 2002-09-24 |
| 6438952 | Hydraulic circuit device | Yusaku Nozawa, Mitsuhisa Tougasaki, Kinya Takahashi | 2002-08-27 |
| 6422009 | Pump capacity control device and valve device | Yusaku Nozawa, Mitsuhisa Tougasaki, Kinya Takahashi | 2002-07-23 |
| 6408876 | Control valve | Yusaku Nozawa, Kinya Takahashi, Mitsuhisa Tougasaki | 2002-06-25 |
| 6378302 | Hydraulic circuit system | Yusaku Nozawa, Mitsuhisa Tougasaki, Kinya Takahashi | 2002-04-30 |
| 6327959 | Directional control valve device | Kinya Takahashi, Yusaku Nozawa, Nobuhiko Ichiki, Mitsuhisa Tougasaki | 2001-12-11 |
| 6135149 | Pressure compensating valves | Yusaku Nozawa, Nobuhiko Ichiki, Minoru Aoki, Kinya Takahashi | 2000-10-24 |
| 5957159 | Directional control valve with flow distribution valves | Kinya Takahashi, Yusaku Nozawa, Nobuhiko Ichiki, Minoru Aoki | 1999-09-28 |