Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700596 | Nickel hydroxide active material powder and nickel positive electrode and alkali storage battery using them | Munehisa Ikoma, Norikatsu Akutsu, Masashi Enokido, Fumihiko Yoshii, Shingo Tsuda | 1997-12-23 |
| 5681673 | Alkaline secondary battery | Yohei Hattori, Nobuyasu Morishita, Hiroki Takeshima, Munehisa Ikoma | 1997-10-28 |