Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315826 | Hydraulic drive system and directional control valve | Genroku Sugiyama | 1994-05-31 |
| 5285643 | Hydraulic drive system for civil-engineering and construction machine | Hiroshi Onoue | 1994-02-15 |