Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4669504 | Closed loop type proportional electromagnetic valve for hydraulic control | Yutaka Fujitsugu, Tomoo Ito | 1987-06-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4669504 | Closed loop type proportional electromagnetic valve for hydraulic control | Yutaka Fujitsugu, Tomoo Ito | 1987-06-02 |