Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7030206 | Polymer electrolyte and proton-conducting membrane | Masaru Iguchi, Naoki Mitsuta, Hiroshi Sohma, Toshihiro Ohtsuki | 2006-04-18 |
| 7001929 | Proton conductive membrane having improved thermal stability | Kohei Goto, Mayumi Kakuta, Fusazumi Masaka, Kiyonori Kita, Naoki Mitsuta +2 more | 2006-02-21 |
| 6933068 | Polymer electrolyte membrane and solid polymer electrolyte fuel cell using same | Yoichi Asano, Masaaki Nanaumi, 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, Masaaki Nanaumi, Hiroshi Sohma, Nobuhiro Saito | 2005-08-09 |
| 6844097 | Solid polymer type fuel cell | Kaoru Fukuda, Yoichi Asano, Nobuhiro Saito, Masaaki Nanaumi | 2005-01-18 |
| 6720106 | Membrane electrode assembly for fuel and process for producing the same | Kaoru Fukuda, Masaaki Nanaumi, Nobuhiro Saito, Yoichi Asano | 2004-04-13 |