Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5543241 | Fuel cell | Masato Nishioka, Akira Hamada, Eiji Tateyama, deceased, Nobuyoshi Nishizawa | 1996-08-06 |
| 5541015 | Fuel cell using a separate gas cooling method | Osamu Tajima, Akira Hamada, Junji Tanaka, Yasunori Yoshimoto, Keigo Miyai +4 more | 1996-07-30 |
| 5366820 | Fuel cell system | Nobuyoshi Nishizawa, Tsukasa Itoh, Takaaki Matsubayashi, Takehiro Yonesaki, Koichi Satoh +5 more | 1994-11-22 |
| 5229222 | Fuel cell system | Nobuyoshi Nishizawa, Tsukasa Itoh, Takaaki Matsubayashi, Takahiro Yonesaki, Koichi Satoh +5 more | 1993-07-20 |
| 4719157 | Fuel cell stack assembly | Hideo Hagino, Osamu Fujiwara, Hitoshi Goto | 1988-01-12 |
| 4670361 | Manifold device for fuel cell system | Hideo Hagino, Osamu Fujiwara | 1987-06-02 |
| 4642274 | Fuel cell system | Hideo Hagino, Osamu Fujiwara, Hitoshi Goto | 1987-02-10 |
| 4621033 | Fuel cell system and its vibration-proof device | Hideo Hagino, Osamu Fujiwara | 1986-11-04 |