Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4767680 | Fuel cell | Akemi Hijikata, Masaaki Matsumoto, Yasuyuki Hamazaki, Kenji Kataoka | 1988-08-30 |
| 4580071 | Generator cooling apparatus | — | 1986-04-01 |
| 4538079 | Flywheel device with compensation for non parallel plates | Tadashi Konishi | 1985-08-27 |