Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300204 | Method for hydrogen ion-selective electrodialysis | Yoshio Sugaya, Misaki Tada | 1994-04-05 |
| 5300228 | Method for separating and recovering an acid | Yoshio Sugaya, Misaki Kanazawa | 1994-04-05 |