Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6034183 | Polymer having quaternary ammonium groups and process for the production thereof | Tatsuya Okumura, Jiro Mizuya | 2000-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6034183 | Polymer having quaternary ammonium groups and process for the production thereof | Tatsuya Okumura, Jiro Mizuya | 2000-03-07 |