Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4983474 | Hydroen absorbing Ni-based alloy and rechargeable alkaline battery | Ritsue Yabuki | 1991-01-08 |
| 4898794 | Hydrogen absorbing Ni,Zr-based alloy and rechargeable alkaline battery | Ritsue Yabuki | 1990-02-06 |