Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5176724 | Permselective composite membrane having improved gas permeability and selectivity | Yukihiro Saito, Shiro Asakawa, Katsunori Waragai | 1993-01-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5176724 | Permselective composite membrane having improved gas permeability and selectivity | Yukihiro Saito, Shiro Asakawa, Katsunori Waragai | 1993-01-05 |