Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314762 | Portable power source | Nobuyoshi Nishizawa, Hiroshi Mukai, Isao Furukawa, Takashi Oda, Akira Watanabe +1 more | 1994-05-24 |
| 5302471 | Compact phosphoric acid fuel cell system and operating method thereof | Tsukasa Ito, Nobuyoshi Nishizawa, Akihiro Furuse | 1994-04-12 |