Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4537564 | Pumping system for oil production | Tominori Yamada | 1985-08-27 |
| 4451212 | Pumping system for oil production | Tominori Yamada | 1984-05-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4537564 | Pumping system for oil production | Tominori Yamada | 1985-08-27 |
| 4451212 | Pumping system for oil production | Tominori Yamada | 1984-05-29 |