Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4504198 | Electromagnetic pump | Yasutsune Chiba | 1985-03-12 |
| 4376618 | Electromagnetic plunger pump | Shizuo Arima, Katsumi Nozawa, Kenji Igarashi | 1983-03-15 |
| 4252505 | Electromagnetic pump | — | 1981-02-24 |