Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8486578 | Electrolyte membrane/electrode structure and fuel cell | Kentaro Ishida, Takeaki Isobe, Takeshi Matsubara | 2013-07-16 |
| 7749630 | Polymer electrolyte membrane and polymer electrolyte fuel cell comprising same | Yoichi Asano, Hiroshi Sohma, Nagayuki Kanaoka, Nobuhiro Saito | 2010-07-06 |
| 7531265 | Fuel cell | Seiji Sugiura, Hiroshi Shinkai, Shuhei Goto | 2009-05-12 |
| 7494733 | Electrode structure for solid polymer fuel cell, its production method, and solid polymer fuel cell | Yoichi Asano, Nagayuki Kanaoka, Hiroshi Sohma, Naoki Mitsuta | 2009-02-24 |
| 7476459 | Membrane electrode assembly and fuel cell | Toshiya Wakahoi, Tetsuya Komori, Junichi Yano | 2009-01-13 |
| 7449132 | Proton conductive composition and proton conductive membrane | Mayumi Kakuta, Toshihiro Otsuki, Nagayuki Kanaoka, Yoichi Asano, Ryoichiro Takahashi | 2008-11-11 |
| 7208242 | Solid polymer type fuel cell | Yoichi Asano, Hiroshi Sohma, Nagayuki Kanaoka, Nobuhiro Saito, Keisuke Andou +2 more | 2007-04-24 |
| 7195838 | Membrane electrode assembly and fuel cell | Junichi Yano, Yoshihiro Nakanishi, Tadashi Nishiyama | 2007-03-27 |
| 7056614 | Membrane electrode assembly and fuel cell unit | Narutoshi Sugita, Tadashi Nishiyama | 2006-06-06 |
| 7022426 | Solid polymer fuel cell | Kaoru Fukuda, Keisuke Andou, Nobuhiro Saito, Junji Matsuo | 2006-04-04 |
| 6933068 | Polymer electrolyte membrane and solid polymer electrolyte fuel cell using same | Yoichi Asano, Nagayuki Kanaoka, Hiroshi Sohma, Nobuhiro Saito, Junji Matsuo +4 more | 2005-08-23 |
| 6926984 | Polymer electrolyte membrane, method for producing same, and membrane electrode assembly and polymer electrolyte fuel cell comprising same | Yoichi Asano, Hiroshi Sohma, Nagayuki Kanaoka, Nobuhiro Saito | 2005-08-09 |
| 6844097 | Solid polymer type fuel cell | Kaoru Fukuda, Yoichi Asano, Nagayuki Kanaoka, Nobuhiro Saito | 2005-01-18 |
| 6720106 | Membrane electrode assembly for fuel and process for producing the same | Kaoru Fukuda, Nobuhiro Saito, Yoichi Asano, Nagayuki Kanaoka | 2004-04-13 |
| 5965802 | NO.sub.x sensor for exhaust gas, and process for producing the same | Hiroshi Takeshita, Norihiro Ohta, Noriko OHTA, Yoshikazu Fujisawa, Yoichi Asano +1 more | 1999-10-12 |
| 5800783 | NOx sensor for exhaust gas and method for producing same | Norihiro Ohta, Youichi Asano, Yoshiaki Takagi, Yoshikazu Fujisawa | 1998-09-01 |