Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5807411 | Method of making a photo-rechargeable storage battery | Hisao Kuriyaki, Kazuyoshi Hirakawa | 1998-09-15 |
| 5672444 | Composite electrode for a photo-rechargeable storage battery | Hisao Kuriyaki, Kazuyoshi Hirakawa | 1997-09-30 |