Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824743 | Secondary battery with ion-exchange porous membrane | Toshinobu Fujii, Yasuo Ando | 1989-04-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824743 | Secondary battery with ion-exchange porous membrane | Toshinobu Fujii, Yasuo Ando | 1989-04-25 |