Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8206873 | Electrolyte for fuel cell, membrane electrode assembly, fuel cell stack and fuel cell system | Atsuo Sonai | 2012-06-26 |
| 8202664 | Membrane electrode assembly, fuel cell stack and fuel cell system | Atsuo Sonai | 2012-06-19 |
| 7883791 | Fuel cell electrolyte, membrane electrode assembly, and method of manufacturing fuel cell electrolyte | Atsuo Sonai | 2011-02-08 |
| 7638221 | Fuel cell electrolyte, membrane electrode assembly, and method of manufacturing fuel cell electrolyte | Atsuo Sonai | 2009-12-29 |
| 7618732 | Fuel cell electrolyte, membrane electrode assembly, and method of manufacturing fuel cell electrolyte | Atsuo Sonai | 2009-11-17 |
| 7348090 | Fuel cell | Minoru Kaneko | 2008-03-25 |
| 7276311 | Fuel cell having temperature adjustment means for reaction gas | Takashi Yasuo, Akira Hamada, Hirokazu Izaki, Shuuichi Suzuki, Yasuo Miyake | 2007-10-02 |
| 6899971 | Gas diffusion layer arrangement for a fuel cell | Akira Hamada | 2005-05-31 |
| 6365293 | Fuel cell having water permeability adjustment capability | Takahiro Isono, Yasuo Miyake, Akira Hamada, Minoru Kaneko | 2002-04-02 |
| 5541015 | Fuel cell using a separate gas cooling method | Osamu Tajima, Akira Hamada, Junji Tanaka, Yasunori Yoshimoto, Keigo Miyai +4 more | 1996-07-30 |