Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346785 | Photochargeable air battery | Keiji Akuto, Naoki Kato, Masaaki Takeuchi | 1994-09-13 |
| 5310608 | Temperature difference storage battery | Maki Ishizawa, Kazuhiko Shindo, Syuichi Kitada, Mitsunori Koyama | 1994-05-10 |