Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307631 | Hydraulic control apparatus for hydraulic construction machine | Akira Tatsumi, Seiji Tamura, Mitsuo Kihara, Kazuhiro Ichimura, Shigetaka Nakamura | 1994-05-03 |
| 5285642 | Load sensing control system for hydraulic machine | Hiroshi Watanabe, Yasuo Tanaka, Eiki Izumi, Shigetaka Nakamura | 1994-02-15 |
| 5285643 | Hydraulic drive system for civil-engineering and construction machine | Toichi Hirata | 1994-02-15 |