Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4617243 | Electrochemical battery | Masayoshi Nawa | 1986-10-14 |
| 4510216 | Electrochemical battery including a product of activated carbon fiber as an electrode | Masayoshi Nawa | 1985-04-09 |