Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8918226 | Temperature measuring method, temperature measuring apparatus, temperature control method, temperature control apparatus, correction method, and correction apparatus | Fumio Tojo, Shunzo Hirakawa, Toshiyasu Toyoda, Katayama Yusuke | 2014-12-23 |
| 8114552 | Electrode structure for polymer electrolyte fuel cell comprising sulfonated polyarylene-based polymer and method for manufactuing same | Yuichiro Hama, Junichi Yano, Nagayuki Kanaoka, Naoki Mitsuta | 2012-02-14 |
| 7981566 | Membrane electrode assembly and polymer electrolyte fuel cell therewith | Nagayuki Kanaoka, Naoki Mitsuta, Yuichiro Hama, Ryoichiro Takahashi, Hiroshi Souma +1 more | 2011-07-19 |
| 7887969 | Membrane-electrode assembly for solid polymer electrolyte fuel cell | Nagayuki Kanaoka, Hiroshi Sohma | 2011-02-15 |
| 7816053 | Membrane-electrode assembly for solid polymer electrolyte fuel cell | Nagayuki Kanaoka, Hiroshi Sohma | 2010-10-19 |
| 7727654 | Membrane-electrode assembly for solid polymer electrolyte fuel cell and method of producing the same | Nagayuki Kanaoka, Hiroshi Sohma | 2010-06-01 |
| 7727652 | Membrane electrode assembly and polymer electrolyte fuel cell therewith | Nagayuki Kanaoka, Naoki Mitsuta, Yuichiro Hama, Ryoichiro Takahashi, Hiroshi Souma +1 more | 2010-06-01 |
| 7658867 | Membrane-electrode assembly for solid polymer electrolyte fuel cell | Nagayuki Kanaoka, 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 |
| 7544433 | Electrode structure for polymer electrolyte fuel cells, and polymer electrolyte fuel cell using the same | Hiroshi Sohma, Nagayuki Kanaoka, Hayato Kaji, Hiroshi Morikawa, Naoki Mitsuta | 2009-06-09 |
| 7396607 | Manufacturing process for membrane-electrode assemblies | Fusazumi Masaka, Kiyonori Kita, Yuichiro Hama, Naoki Mitsuta, Junichi Yano | 2008-07-08 |
| 7381501 | Polymer electrolyte and proton conductive membrane | Toshihiro Otsuki, Nagayuki Kanaoka, Naoki Mitsuta, Hiroshi Soma | 2008-06-03 |
| 7211203 | Polymer electrolyte, proton conductive membrane and membrane-electrode assembly | Toshihiro Otsuki, Nagayuki Kanaoka, Naoki Mitsuta, Hiroshi Soma | 2007-05-01 |
| 7125617 | Method of operating phosphoric acid fuel cell | — | 2006-10-24 |
| 7078121 | Aromatic sulfonate derivative, polyarylene, sulfonated polyarylene and production method thereof, macromolecular solid electrolyte, and proton conductive membrane | Nagayuki Kanaoka, Naoki Mitsuta, Hiroshi Soma, Toshihiro Ohtsuki | 2006-07-18 |
| 7030206 | Polymer electrolyte and proton-conducting membrane | Nagayuki Kanaoka, 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 |
| 6770393 | Proton conducting polymer, method for producing the same, solid polymer electrolyte and electrode | Hiroshi Akita, Masao Ichikawa, Hiroyuki Oyanagi | 2004-08-03 |
| 6767664 | Proton conducting polymer, method for producing the same, solid polymer electrolyte and electrode | Hiroshi Akita, Masao Ichikawa, Hiroyuki Oyanagi | 2004-07-27 |
| 6703152 | Method of operating phosphoric acid fuel cell | Teruaki Komiya, Masahiro Ise | 2004-03-09 |
| 6523699 | Sulfonic acid group-containing polyvinyl alcohol, solid polymer electrolyte, composite polymer membrane, method for producing the same and electrode | Hiroshi Akita, Masao Ichikawa, Hiroyuki Oyanagi | 2003-02-25 |
| 6478987 | Proton conducting polymer, method for producing the same, solid polymer electrolyte and electrode | Hiroshi Akita, Masao Ichikawa, Hiroyuki Oyanagi | 2002-11-12 |
| 6465120 | Composite polymer membrane, method for producing the same and solid polymer electrolyte membrane | Hiroshi Akita, Masao Ichikawa, Hiroyuki Oyanagi | 2002-10-15 |
| 6303053 | Method for producing meta type polyaniline | Hiroshi Akita, Masao Ichikawa, Hiroyuki Oyanagi | 2001-10-16 |
| 6124060 | Solid polymer electrolytes | Hiroshi Akita, Masao Ichikawa, Katsutoshi Nosaki, Hiroyuki Oyanagi | 2000-09-26 |