Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953592 | Self-sealing coupling with bypass for hydraulic circuit | Hiroyuki Takahashi | 1990-09-04 |
| 4736673 | Selective control device for plural kinds of oil-hydraulic actuators | Takuo Harada | 1988-04-12 |