Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4756663 | Method for operating pumps | Sachio Tsunoda | 1988-07-12 |
| 4406578 | Method for operating pumps | Sachio Tsunoda | 1983-09-27 |
| 4363597 | Method for operating pumps | Sachio Tsunoda | 1982-12-14 |