Issued Patents All Time
Showing 25 most recent of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11515546 | Membrane electrode assembly of electrochemical device, membrane electrode assembly of fuel cell, fuel cell, membrane electrode assembly of electrochemical hydrogen pump, electrochemical hydrogen pump, membrane electrode assembly of hydrogen sensor, and hydrogen sensor | KOSUKE YAMAUCHI, TAKEHITO GOTO, TOMOYA KAMATA, YUICHI MIKAMI, Tomohiro Kuroha +2 more | 2022-11-29 |
| 10826075 | Membrane electrode assembly of electrochemical device, membrane electrode assembly of fuel cell, fuel cell, membrane electrode assembly of electrochemical hydrogen pump, electrochemical hydrogen pump, membrane electrode assembly of hydrogen sensor, and hydrogen sensor | KOSUKE YAMAUCHI, TAKEHITO GOTO, TOMOYA KAMATA, YUICHI MIKAMI, Tomohiro Kuroha +2 more | 2020-11-03 |
| 10756376 | Hydrogen supply system and driving method of hydrogen supply system | Hidenobu Wakita, Kunihiro Ukai, Osamu Sakai | 2020-08-25 |
| 10625198 | Desulfurization apparatus and desulfurization method | Masashi Morita, Jin Zhang, Hidenobu Wakita, Susumu Kitagawa, Masakazu Higuchi | 2020-04-21 |
| 10364149 | Hydrogen generation system and fuel cell system | Jin Zhang, Shigenori Onuma, Hidenobu Wakita, Akinori Yukimasa, Hiromi Kita +1 more | 2019-07-30 |
| 10326148 | Fuel cell gas diffusion layer and method of manufacturing same | Takeou Okanishi, Hiroshi Ishikawa, Keiichi Yamamoto, Tsutomu Kawashima, Yasushi Sugawara +2 more | 2019-06-18 |
| 10044047 | Electrode-membrane-frame assembly, method for producing the same, and fuel cell | Masaki Yamauchi, Atusi Murata, Takashi Morimoto, Toshihiro Matsumoto | 2018-08-07 |
| 9859573 | Membrane electrode assembly with integrated frame and fuel cell | Takashi Morimoto, Masaki Yamauchi, Atushi Murata, Mitsuo Yoshimura | 2018-01-02 |
| 9793555 | Membrane electrode assembly with gas diffusion layers having a rib porosity and method of manufacturing the same, as well as fuel cell | Masaki Yamauchi, Naotsugu Koashi, Hideo Kasahara, Takashi Nakagawa, Yoko Yamamoto | 2017-10-17 |
| 9786929 | Fuel cell and fuel cell stack comprising the same | Miho Gemba | 2017-10-10 |
| 9472821 | Operation method of polymer electrolyte fuel cell system and polymer electrolyte fuel cell system | Hideo Kasahara, Hiroshi Ishikawa, Takeou Okanishi | 2016-10-18 |
| 9196910 | Fuel cell | Masaki Yamauchi, Yasushi Sugawara, Shinsuke Takeguchi, Hiroki Kusakabe, Takashi Morimoto | 2015-11-24 |
| 9077028 | Gas diffusion layer for fuel cell, manufacturing method thereof, membrane electrode assembly, and fuel cell | Miho Gemba, Masaki Yamauchi | 2015-07-07 |
| 8999603 | Gas diffusion layer for fuel cell, manufacturing method therefor, membrane electrode assembly, and fuel cell | Masaki Yamauchi | 2015-04-07 |
| 8980500 | Polymer electrolyte fuel cell comprising reactant gas channels overlapping a peripheral portion of an electrode | Shinsuke Takeguchi, Takeou Okanishi | 2015-03-17 |
| 8846269 | Polymer electrolyte fuel cell and fuel cell stack comprising the same | Takeou Okanishi, Naotsugu Koashi | 2014-09-30 |
| 8790846 | Gas diffusion layer and process for production thereof, and fuel cell | Masaki Yamauchi | 2014-07-29 |
| 8765314 | Fuel cell system and method for stopping operation of fuel cell system | Yasushi Sugawara, Junji Morita, Makoto Uchida, Takayuki Urata, Shinya Kosako +5 more | 2014-07-01 |
| 8703360 | Method for producing an electrode-membrane-frame assembly | Toshihiro Matsumoto, Hiroki Kusakabe, Takashi Morimoto | 2014-04-22 |
| 8691471 | Polymer electrolyte fuel cell and fuel cell stack comprising the same | Takeou Okanishi, Naotsugu Koashi, Shinsuke Takeguchi | 2014-04-08 |
| 8614025 | Fuel cell separator and fuel cell comprising the same | Shinsuke Takeguchi, Takashi Nakagawa | 2013-12-24 |
| 8597851 | Polymer electrolyte fuel cell, fuel cell stack including the same, fuel cell system, and method for operating fuel cell system | Takeou Okanishi, Naotsugu Koashi, Miho Gemba | 2013-12-03 |
| 8568941 | Fuel cell separator and fuel cell including same | Shinsuke Takeguchi, Takashi Nakagawa | 2013-10-29 |
| 8546038 | Fuel cell separator having reactant gas channels with different cross sections and fuel cell comprising the same | Shinsuke Takeguchi, Takashi Nakagawa | 2013-10-01 |
| 8546037 | Fuel cell separator having reactant gas channels with different cross sections and fuel cell comprising the same | Shinsuke Takeguchi, Takashi Nakagawa | 2013-10-01 |