Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10074869 | Fuel cell | Masaaki Sakano | 2018-09-11 |
| 9793568 | Solid polymer electrolyte fuel cell | Masaru Oda, Shunsuke Itami, Ryohei Ishimaru, Masaaki Sakano | 2017-10-17 |
| 8399148 | Varnish for a solid polymer fuel cell | Makoto Higami, Igor Rozhanskii, Yoshitaka Yamakawa, Kaoru Fukuda, Ryoichiro Takahashi +1 more | 2013-03-19 |
| 8349994 | Electrode electrolyte for polymer-type fuel cell, and use thereof | Toshiaki Kadota, Yoshitaka Yamakawa, Fusao Nakagawa, Takaki Nakagawa | 2013-01-08 |
| 8163406 | Membrane-electrode assembly for solid polymer electrolyte fuel cell | Hiroshi Sohma, Ryohei Ishimaru | 2012-04-24 |
| 8114552 | Electrode structure for polymer electrolyte fuel cell comprising sulfonated polyarylene-based polymer and method for manufactuing same | Yuichiro Hama, Masaru Iguchi, Junichi Yano, Naoki Mitsuta | 2012-02-14 |
| 8043762 | Polyphenylene-containing electrode paste | Makoto Higami, Igor Rozhanskii, Yoshitaka Yamakawa, Kaoru Fukuda, Ryoichiro Takahashi +1 more | 2011-10-25 |
| 7981566 | Membrane electrode assembly and polymer electrolyte fuel cell therewith | Naoki Mitsuta, Yuichiro Hama, Ryoichiro Takahashi, Hiroshi Souma, Masaru Iguchi +1 more | 2011-07-19 |
| 7887969 | Membrane-electrode assembly for solid polymer electrolyte fuel cell | Masaru Iguchi, Hiroshi Sohma | 2011-02-15 |
| 7816053 | Membrane-electrode assembly for solid polymer electrolyte fuel cell | Masaru Iguchi, Hiroshi Sohma | 2010-10-19 |
| 7749630 | Polymer electrolyte membrane and polymer electrolyte fuel cell comprising same | Yoichi Asano, Masaaki Nanaumi, Hiroshi Sohma, Nobuhiro Saito | 2010-07-06 |
| 7727652 | Membrane electrode assembly and polymer electrolyte fuel cell therewith | Naoki Mitsuta, Yuichiro Hama, Ryoichiro Takahashi, Hiroshi Souma, Masaru Iguchi +1 more | 2010-06-01 |
| 7727654 | Membrane-electrode assembly for solid polymer electrolyte fuel cell and method of producing the same | Masaru Iguchi, Hiroshi Sohma | 2010-06-01 |
| 7658867 | Membrane-electrode assembly for solid polymer electrolyte fuel cell | Masaru Iguchi, Hiroshi Sohma | 2010-02-09 |
| 7651802 | Solid polymer electrolyte, proton conductive membrane, electrode electrolyte, electrode paste and membrane-electrode assembly | Yoshitaka Yamakawa, Toshihiro Ohtsuki, Kohei Goto, Toshiaki Kadota, Teruhiko Umehara +2 more | 2010-01-26 |
| 7645534 | Membrane electrode assembly for solid polymer electrolyte fuel cell | Hiroshi Sohma | 2010-01-12 |
| 7544433 | Electrode structure for polymer electrolyte fuel cells, and polymer electrolyte fuel cell using the same | Hiroshi Sohma, Masaru Iguchi, Hayato Kaji, Hiroshi Morikawa, Naoki Mitsuta | 2009-06-09 |
| 7494733 | Electrode structure for solid polymer fuel cell, its production method, and solid polymer fuel cell | Masaaki Nanaumi, Yoichi Asano, Hiroshi Sohma, Naoki Mitsuta | 2009-02-24 |
| 7449132 | Proton conductive composition and proton conductive membrane | Mayumi Kakuta, Toshihiro Otsuki, Masaaki Nanaumi, Yoichi Asano, Ryoichiro Takahashi | 2008-11-11 |
| 7445867 | Electrode structure for solid-polymer type fuel cell | Naoki Mitsuta, Yoichi Asano, Hiroshi Sohma | 2008-11-04 |
| 7381501 | Polymer electrolyte and proton conductive membrane | Toshihiro Otsuki, Masaru Iguchi, Naoki Mitsuta, Hiroshi Soma | 2008-06-03 |
| 7211203 | Polymer electrolyte, proton conductive membrane and membrane-electrode assembly | Toshihiro Otsuki, Masaru Iguchi, Naoki Mitsuta, Hiroshi Soma | 2007-05-01 |
| 7208242 | Solid polymer type fuel cell | Yoichi Asano, Masaaki Nanaumi, Hiroshi Sohma, Nobuhiro Saito, Keisuke Andou +2 more | 2007-04-24 |
| 7090738 | Method of manufacturing membrane electrode assembly | Ryoichiro Takahashi, Yoichi Asano | 2006-08-15 |
| 7078121 | Aromatic sulfonate derivative, polyarylene, sulfonated polyarylene and production method thereof, macromolecular solid electrolyte, and proton conductive membrane | Masaru Iguchi, Naoki Mitsuta, Hiroshi Soma, Toshihiro Ohtsuki | 2006-07-18 |