Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700596 | Nickel hydroxide active material powder and nickel positive electrode and alkali storage battery using them | Munehisa Ikoma, Masashi Enokido, Fumihiko Yoshii, Hideo Kaiya, Shingo Tsuda | 1997-12-23 |