Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626765 | Method for adsorbing and separating heavy metal elements by using a tannin adsorbent | Yoshinobu Kamei | 1997-05-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626765 | Method for adsorbing and separating heavy metal elements by using a tannin adsorbent | Yoshinobu Kamei | 1997-05-06 |