Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8802312 | Fuel cell separators capable of suppressing variation in pressure loss | Narutoshi Sugita, Masaru Oda, Masaaki Sakano, Takashi Kosaka | 2014-08-12 |
| 8722219 | Fuel cell stack having gas discharge passage and drainage passage joined at one end of the stack | Hideaki Kikuchi, Masaru Oda, Masaharu Suzuki | 2014-05-13 |
| 8110316 | Fuel cell | Masaru Oda, Takashi Kosaka, Teruyuki Ohtani, Narutoshi Sugita, Masaaki Sakano +1 more | 2012-02-07 |
| 8043753 | Method of operating a solid polymer electrolyte fuel cell and aging apparatus | Masahiro Mohri | 2011-10-25 |
| 8034506 | Fuel cell | Hideaki Kikuchi, Narutoshi Sugita, Masaru Oda, Takashi Kosaka, Takeshi Banba +1 more | 2011-10-11 |
| 7820315 | Fuel cell stack having coolant passage whose lower area has larger flow resistance | Hideaki Kikuchi, Masaru Oda, Teruyuki Otani | 2010-10-26 |
| 7695845 | Fuel cell | Narutoshi Sugita, Masaru Oda, Masaaki Sakano, Takashi Kosaka | 2010-04-13 |
| 7348083 | Fuel cell system | Naoyuki Enjoji, Masaharu Suzuki, Yoshinori Wariishi | 2008-03-25 |
| 5752988 | Method for producing electrode unit for fuel cell | Takafumi Okamoto, Ichiro Tanaka, Hideo Kato, Akio Yamamoto | 1998-05-19 |
| 5736269 | Fuel cell stack and method of pressing together the same | Takafumi Okamoto, Hideo Kato, Akio Yamamoto, Ichiro Tanaka | 1998-04-07 |
| 5534362 | Fuel cell stack and method of pressing together the same | Takafumi Okamoto, Manabu Tanaka, Ichiro Baba, Hideo Kato | 1996-07-09 |
| 5419980 | Fuel cell stack and method of pressing together the same | Takafumi Okamoto, Manabu Tanaka, Ichiro Baba, Hideo Kato | 1995-05-30 |