Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8715869 | Fuel cell, method for operating fuel cell and fuel cell system | Takaaki Matsubayashi, Mitsuo Karakane, Akira Hamada | 2014-05-06 |
| 8563181 | Fuel cell, method for operating fuel cell and fuel cell system | Takaaki Matsubayashi, Mitsuo Karakane, Akira Hamada | 2013-10-22 |
| 8268500 | Fuel cell, method for operating fuel cell and fuel cell system | Takaaki Matsubayashi, Mitsuo Karakane, Akira Hamada | 2012-09-18 |
| 8221926 | Fuel cell, method for operating fuel cell and fuel cell system | Takaaki Matsubayashi, Mitsuo Karakane, Akira Hamada | 2012-07-17 |
| 8206866 | Fuel cell, method for operating fuel cell and fuel cell system | Takaaki Matsubayashi, Mitsuo Karakane, Akira Hamada | 2012-06-26 |
| 8067126 | Fuel cell, method for operating full cell and fuel cell system | Takaaki Matsubayashi, Mitsuo Karakane, Akira Hamada | 2011-11-29 |
| 7285352 | Separator for fuel cell and fuel cell therewith | Akira Hamada, Takaaki Matsubayashi, Mitsuo Karakane, Takashi Kawanabe | 2007-10-23 |
| 7094491 | Fuel cell | Takashi Yasuo, Akira Hamada | 2006-08-22 |
| 7060383 | Fuel cell | Hirokazu Izaki, Akira Hamada, Yugo Fukami | 2006-06-13 |
| 6566002 | Polymer electrolyte fuel cell | Mitsuo Karakane, Akira Hamada | 2003-05-20 |
| 6492054 | Polymer electrolyte fuel cell including a water-retaining layer on a ribbed plate | Mitsuo Karakane, Takashi Yasuo, Shigeru Sakamoto, Yasuo Miyake, Ikuo Yonezu +1 more | 2002-12-10 |
| 6329094 | Polymer electrolyte fuel cell showing stable and outstanding electric-power generating characteristics | Takashi Yasuo, Toru Nakaoka, Akira Hamada, Yasuo Miyake, Mitsuo Karakane | 2001-12-11 |
| 6180274 | Cell unit for fuel cells | Takashi Yasuo, Yasuo Miyake, Koji Nishio | 2001-01-30 |
| 5541015 | Fuel cell using a separate gas cooling method | Osamu Tajima, Akira Hamada, Junji Tanaka, Keigo Miyai, Nobuyoshi Nishizawa +4 more | 1996-07-30 |