Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8278002 | Fuel-cell and fuel cell system including the same | Yasushi Sugawara, Takayuki Urata, Soichi Shibata, Takahiro Umeda | 2012-10-02 |
| 8071243 | Fuel cell system | Yasushi Sugawara, Takayuki Urata, Takahiro Umeda, Akihiko Yoshida, Soichi Shibata | 2011-12-06 |
| 8039154 | Fuel cell system, method of starting fuel cell system | Makoto Uchida, Yasushi Sugawara, Takayuki Urata, Shinya Kosako, Takahiro Umeda +5 more | 2011-10-18 |
| 8003273 | Polymer electrolyte fuel cell and fuel cell sealing member for the same | Yasushi Sugawara, Takayuki Urata, Soichi Shibata, Takahiro Umeda | 2011-08-23 |
| 7691510 | Fuel cell system with differential pressure control | Soichi Shibata, Takayuki Urata, Yasushi Sugawara, Takahiro Umeda, Kazuhito Hatoh +1 more | 2010-04-06 |
| 7455703 | Method for manufacturing polymer electrolyte fuel cell | Makoto Uchida, Yasushi Sugawara, Eiichi Yasumoto, Akihiko Yoshida, Masao Yamamoto +3 more | 2008-11-25 |
| 7364813 | Ink for forming catalyst layer, and electrode and membrane-electrode assembly using the same | Yasushi Sugawara, Takeshi Yonamine, Yasuo Takebe | 2008-04-29 |
| 7316860 | Polymer electrolyte fuel cell and production method of the same | Eiichi Yasumoto, Akihiko Yoshida, Makoto Uchida, Yasushi Sugawara, Teruhisa Kanbara | 2008-01-08 |
| 7220514 | Polymer electrolyte fuel cell | Eiichi Yasumoto, Akihiko Yoshida, Makoto Uchida, Hisaaki Gyoten, Kazuhito Hatoh +5 more | 2007-05-22 |
| 7201993 | Polymer electrolyte fuel cell | Makoto Uchida, Yasushi Sugawara, Eiichi Yasumoto, Akihiko Yoshida, Masao Yamamoto +3 more | 2007-04-10 |
| 7167393 | Nonvolatile semiconductor memory device containing reference capacitor circuit | Kiyoharu Oikawa, Yukihiro Nishida, Masaya Kubota | 2007-01-23 |
| 7150934 | Electrolyte film electrode union, fuel cell containing the same and process for producing them | Akihiko Yoshida, Yoshihiro Hori, Makoto Uchida, Eiichi Yasumoto, Yasuo Takebe +5 more | 2006-12-19 |
| 7097932 | Polymer electrolytic fuel cell and method for producing the same | Osamu Sakai, Hisaaki Gyoten, Hiroki Kusakabe, Eiichi Yasumoto, Yasushi Sugawara +3 more | 2006-08-29 |
| 6991870 | Gas diffusion electrode and fuel cell using this | Eiichi Yasumoto, Akihiko Yoshida, Makoto Uchida, Yasushi Sugawara, Hisaaki Gyoten +3 more | 2006-01-31 |
| 6818339 | Polymer electrolyte type fuel cell | Yasushi Sugawara, Hisaaki Gyoten, Makoto Uchida, Eiichi Yasumoto, Teruhisa Kanbara +6 more | 2004-11-16 |
| 6746793 | Polymer electrolyte fuel cell | Hisaaki Gyoten, Eiichi Yasumoto, Kazuhito Hatoh, Makoto Uchida, Yasushi Sugawara +6 more | 2004-06-08 |
| 6667268 | Polymer electrolyte fuel cell having a porous catalyst layer and a method for manufacturing the same | Yasushi Sugawara, Hisaaki Gyoten, Makoto Uchida, Eiichi Yasumoto, Teruhisa Kanbara | 2003-12-23 |
| 6660424 | Fuel cell and method of manufacture thereof | Hisaaki Gyoten, Eiichi Yasumoto, Makoto Uchida, Yasushi Sugawara, Kazufumi Nishida +6 more | 2003-12-09 |