Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478716 | Mixed-bed device for producing pure water | Tsuneo Hasegawa, Seitaro Hasegawa | 1984-10-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478716 | Mixed-bed device for producing pure water | Tsuneo Hasegawa, Seitaro Hasegawa | 1984-10-23 |