Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302005 | Battery | Toshiaki Kizawa, Koichi Sato, Yuji Kano | 1989-07-04 |
| 4595643 | Air cell electrode and process for preparing its catalyst | Nobuharu Koshiba, Keigo Momose, Akira Ohta | 1986-06-17 |