Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861688 | Zinc-alkaline battery | Akira Miura, Kanji Takata, Ryoji Okazaki, Toyohide Uemura | 1989-08-29 |
| 4812374 | Anode active material and alkaline cells containing same, and method for the production thereof | Kiyoshi Taniyasu | 1989-03-14 |