Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670275 | Ion conductive material for secondary battery | Masahisa Fujimoto, Koji Nishio | 1997-09-23 |
| 5601949 | Ion conductive material for secondary battery | Masahisa Fujimoto, Koji Nishio | 1997-02-11 |