Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7455926 | Airbreathing fuel cell | Takehisa Takagi, Eiji Kato, Shoji Nawa, Yasuo Ido | 2008-11-25 |
| 7316853 | Airbreathing fuel cell | Takehisa Takagi, Noboru Owaki, Shoji Nawa, Yasuo Ido | 2008-01-08 |
| 7118823 | Airbreathing fuel cell | Eiji Kato, Noboru Owaki, Shoji Nawa, Yasuo Ido | 2006-10-10 |
| 7008712 | Split cell type fuel cell stack | Noboru Ohwaki, Shoji Nawa, Yasuo Ido | 2006-03-07 |
| 6773843 | Portable fuel cell stack | Koji Kitagawa, Eiji Kato, Takashi Inaba, Yasuo Ido | 2004-08-10 |
| 6107627 | Apparatus for analysis of mixed gas components | Kazuo Nakagawa, Hiromi Yamazaki, Kenichi Uchida | 2000-08-22 |
| 5777205 | Apparatus for analysis of mixed gas components | Kazuo Nakagawa, Hiromi Yamazaki, Kenichi Uchida | 1998-07-07 |