Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10326148 | Fuel cell gas diffusion layer and method of manufacturing same | Hiroshi Ishikawa, Keiichi Yamamoto, Tsutomu Kawashima, Yasushi Sugawara, Yoichiro Tsuji +2 more | 2019-06-18 |
| 9472821 | Operation method of polymer electrolyte fuel cell system and polymer electrolyte fuel cell system | Hideo Kasahara, Hiroshi Ishikawa, Yoichiro Tsuji | 2016-10-18 |
| 8980500 | Polymer electrolyte fuel cell comprising reactant gas channels overlapping a peripheral portion of an electrode | Shinsuke Takeguchi, Yoichiro Tsuji | 2015-03-17 |
| 8846269 | Polymer electrolyte fuel cell and fuel cell stack comprising the same | Naotsugu Koashi, Yoichiro Tsuji | 2014-09-30 |
| 8691471 | Polymer electrolyte fuel cell and fuel cell stack comprising the same | Naotsugu Koashi, Shinsuke Takeguchi, Yoichiro Tsuji | 2014-04-08 |
| 8663872 | Method for manufacturing membrane-membrane reinforcing member assembly, membrane-catalyst layer assembly, membrane-electrode assembly, and polymer electrolyte fuel cell | Yoshihiro Hori, Kazuhito Hatoh | 2014-03-04 |
| 8597851 | Polymer electrolyte fuel cell, fuel cell stack including the same, fuel cell system, and method for operating fuel cell system | Naotsugu Koashi, Miho Gemba, Yoichiro Tsuji | 2013-12-03 |
| 8192893 | Membrane-membrane reinforcing membrane assembly, membrane-catalyst layer assembly, membrane-electrode assembly, and polymer electrolyte fuel cell | Atsushi Nogi, Yoichiro Tsuji, Aoi Muta, Haruhiko Shintani, Yasuo Takebe | 2012-06-05 |
| 8192895 | Membrane-membrane reinforcing member assembly, membrane-catalyst layer assembly, membrane-electrode assembly, and polymer electrolyte fuel cell | Aoi Muta, Atsushi Nogi, Yoichiro Tsuji | 2012-06-05 |
| 8182958 | Membrane membrane-reinforcement-member assembly, membrane catalyst-layer assembly, membrane electrode assembly and polymer electrolyte fuel cell | Atsushi Nogi, Yoichiro Tsuji | 2012-05-22 |
| 8129073 | Catalyst-coated membrane, membrane-electrode assembly, fuel cell and fuel cell stack | Mikiko Yoshimura, Yoshihiro Hori, Masaki Yamauchi | 2012-03-06 |
| 8097112 | Method for manufacturing membrane-electrode assembly | Yoshihiro Hori, Mikiko Yoshimura, Kazuhito Hatoh | 2012-01-17 |