Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4621771 | Flow control nozzle | Shizuo Arima, Katsumi Nozawa, Hideo Nomura | 1986-11-11 |
| 4504198 | Electromagnetic pump | Akira Toyoda | 1985-03-12 |
| 4410302 | Automatic air venting device for electromagnetic plunger pump | Katsumi Nozawa, Kenji Igarashi | 1983-10-18 |
| 4220910 | Raising-pressure delay type electromagnetic pumps | Shizuo Arima, Shoji Suzuki, Masayuki Saitoh | 1980-09-02 |