Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4765370 | Directional control valve | Ryozo Ariizumi, Masakuni Kainuma, Toshikazu Aoki, Masao Kojima, Takashi Ejiri | 1988-08-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4765370 | Directional control valve | Ryozo Ariizumi, Masakuni Kainuma, Toshikazu Aoki, Masao Kojima, Takashi Ejiri | 1988-08-23 |