Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360434 | Amphoteric ion-permeable composite membrane | Takeyuki Kawaguchi, Hiroyoshi Minematsu, Yuzuru Hayashi, Shigeyoshi Hara | 1982-11-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360434 | Amphoteric ion-permeable composite membrane | Takeyuki Kawaguchi, Hiroyoshi Minematsu, Yuzuru Hayashi, Shigeyoshi Hara | 1982-11-23 |