Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4483901 | Selectively gas-permeable composite membrane and process for production thereof | Koichi Okita | 1984-11-20 |
SA
Sigeru Asako
Overall (All Time): #4,044,579 of 4,157,543Top 100%
1
Patents All Time