Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5772408 | Power unit housing a pump | Hirotake Hanamura | 1998-06-30 |
| 5680761 | Hydraulic oil power unit including improved switching device | Yutaka Izumida, Kazumi Nishizawa | 1997-10-28 |