Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6968859 | Electromagnetic operating device | Taku Nagano, Koichi Ohba, Kenichi Hirano | 2005-11-29 |
| 4801247 | Variable displacement piston pump | Toshio Hashimoto, Susumu Yoshino, Akira Ohashi, Masao Egi, Takashi Yoshioka +1 more | 1989-01-31 |
| 4724865 | Control circuit for proportional electro-hydraulic fluid control valves | Kenichi Hirano, Eiji Mitsugi | 1988-02-16 |